|rocket propulsion theory rocket propulsion pdf types of rocket propulsion rocket propulsion definition rocket propulsion ppt Rocket Propulsion Fsc part 1 inter Physics Chapter 3 online lecture.
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Rocket propulsion class 10

Key advancements from nearly 10 years of work with hybrid rocket propulsion using 98% HTP have been shown. The Lukasiewicz Research Network—Institute of Aviation in Warsaw, Poland has been the first entity to achieve several milestones concerning the use of 98% HTP, including its first use in a test-bench hybrid rocket motor (2012) and its in ...Specific Impulse. The specific impulse of a rocket, I sp, is the ratio of the thrust to the flow rate of the weight ejected, that is where F is thrust, q is the rate of mass flow, and g o is standard gravity (9.80665 m/s 2).. Specific impulse is expressed in seconds. When the thrust and the flow rate remain constant throughout the burning of the propellant, the specific impulse is the time for ...Northrop Grumman is seeking Propulsion Engineering interns to join the Defense Systems Intern Program. This position will be located in rocket center, WV.The qualified candidate will become part of Northrop Grumman's Missile Products Team.Specific responsibilities include: Support project objectives by performing design, analysis, fabrication ...[pdf]book firing a rocket: stories of the development of the rocket engines for the saturn launch vehicles and the lunar module as viewed from the trenches best book - by james r french [PDF]Book Ford Windsor Small-Block Performance Best Book - By Isaac MartinNOTE: High performance tactical-class rocket motors typically have thrust misalignment errors of between 0.15° and 0.25° * *Knauber, R.N., "Thrust Misalignments of Fixed-Nozzle Solid Rocket Motors," Paper 95-2874, AIAA/ASME/SAE/ASEE 31st Joint Propulsion Conference, San Diego, CA, 10-12 July 1995.Reach outside the cradle, tap unlimited resources, and build off-world industries. "Earth is the cradle of humanity. But one cannot live in the cradle forever.". - Konstantin Tsiolkovsky, 19th Century, the father of rocketry. Helicity Space 2 from Jules Chaffiotte on Vimeo. LIVE. 0. 00:00.

Solid Rocket Propulsion Engineer. Job in Laurel - Prince George's County - MD Maryland - USA , 20708. To Apply. ↓. Tap HERE. Company: Johns Hopkins Applied Physics Laboratory. Full Time position. Listed on 2021-10-27. Job specializations:WORLD-CLASS PROPELLANTS AND PROPULSION SYSTEMS. General Dynamics Ordnance and Tactical Systems is provide high quality, high performance propellants and propelling Charges for munitions spanning from small to large-caliber munitions. Our trademark BALL POWDER® Propellant is used in the majority of military munitions and commercial products. rocket propulsion theory rocket propulsion pdf types of rocket propulsion rocket propulsion definition rocket propulsion ppt Rocket Propulsion Fsc part 1 inter Physics Chapter 3 online lecture.1 day ago · The Eagles and Rockets clash at 1 p.m. Saturday at Slippery Rock University for the District 10 Class 3A championship. COREY J. CORBIN | Herald Route 173 Rivalry: Rockets, Eagles clash for ... Let's get this out of the way first thing: the Arcane Propulsion Arm is pretty much inarguably the coolest thing to come out of the Eberron Rising book. Half the artificers in the game have the end objective of obtaining one, and there will be people chopping their own arms off to gain access to it.This book deals with the fundamental aspects of rockets and the current trends in rocket propulsion. The book starts with a description of motion in space, the requirements of rockets for placing spacecrafts in different orbits about the Earth and escaping from the gravitational pull of celestial bodies.View Virtual Lecture -10 -Rocket Propulsion.pptx from AE AS-305 at Military Institute of Science and Technology. AEROSPACE PROPULSION AEAS : 305/337 AEROSPACE PROPULSION LECT-10 LECT-4 COURSE

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Rocket Propulsion Principles: The Propellant Pump(s) An essential component of liquid fuelled rocket engines is the means of delivering the propellants (the fuel and the oxidiser) to the combustion chamber. The simplest method used in low thrust rockets is by pressurising the fuel and oxidiser tanks with compressed air or a gas such as nitrogen ...,Nov 06,2021 - On which laws is the principle of rocket propulsion based?a)Newtons first law of motionb)Newtons law of gravitationc)Laws of thermodynamicsd)Newtons second and third laws of motionCorrect answer is 'D'. Can you explain this answer? | EduRev Class 11 Question is disucussed on EduRev Study Group by 265 Class 11 Students.Aug 20, 2021 · “The word propulsion comes from the Latin ‘propulsus’, meaning ‘to drive away’. Rocket propulsion is a class of propulsion that produces thrust by ejecting matter, called the working fluid or propellant, stored entirely within the flying vehicle.” -Rocket Propulsion Elements by George P. Sutton. Introduction supplementary material will be sufficient to succeed in the class. Due to the fast-paced nature of the course, a few texts for "self-teaching" may be useful. Suggestions include: • Space Propulsion, Analysis, and Design, Humble, R., McGraw-Hill, 1995. (ISBN: -07-031320-2) • Solid Rocket Propulsion Technology, Davenas, A., Pergamon ...Blue Origin, LLC is an American privately funded aerospace manufacturer and sub-orbital spaceflight services company headquartered in Kent, Washington. Founded in 2000 by Jeff Bezos, the founder and executive chairman of Amazon, the company is led by CEO Bob Smith and aims to make access to space cheaper and more reliable through reusable launch vehicles.

Hagemann, Gerald, Hans Immich, Thong Van Nguyen, and Gennady Dumnov. "Advanced Rocket Nozzles." Journal of Propulsion and Power 14, no. 5 (September-October 1998). Sirignano, William. "Current Status of Spray Combustion Modelling." 39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Huntsville, Alabama, July 20-23 2003.,The principle of rocket propulsion works on the 'Newton's Third Law of Motion'. It states that for every action, there is an equal and opposite reaction'. As far as the rocket is concerned, the engine of the rocket releases hot burning fuel in the downward direction. As a reaction, the gases apply equal and opposite force on the rocket ...Hybrid Rockets, Analysis. 10. Nuclear Propulsion, Principles and Analysis Over the past 16 years of teaching this course, I have prepared an extensive set of notes I will be following. I will post each set of notes on D2L, well before we discuss the topics in the class. However, the following books are useful. The first of them is required.Equations 10.3.3 and 10.3.4 are shown in figures X.1 and X.2. In figure X.1, the speed of the rocket is plotted in units of V, the ejection speed of the burnt fuel. The time is plotted in units of m0/b. The fuel initially comprised 90% of the rocket, so that the rocket runs out of fuel in time 0.9 m0/b, at which time its speed is 2.3V. In ... In this video the teacher teaches the lesson ' Laws of motion ' Part 2, Rocket Propulsion in detail.A rocket’s acceleration depends on three major factors, consistent with the equation for acceleration of a rocket. First, the greater the exhaust velocity of the gases relative to the rocket, v e, the greater the acceleration is. The practical limit for v e is about 2.5×10 3 m/s for conventional (non-nuclear) hot-gas propulsion systems. The ... tl;dr: I'm trying to find a method to model a rocket class that accurately that accounts for control, aerodynamics, and propulsion systems. All of which change depending on time and velocity (among other factors). The class will be used to solve an optimal control problem.Propulsion, control, and guidance. Although missiles can be propelled by either liquid-fueled or solid-fueled rocket engines, solid fuel is preferred for military uses because it is less likely to explode and can be kept ready-loaded for quick launch. Such engines commonly propel tactical guided missiles—i.e., missiles intended for use within the immediate battle area—toward their targets ...Although this may be true for all-airbreathing propulsion (i.e., no rocket content as in turboramjet propulsion), that emerging class of powerplant which integrally combines airbreathing and rocket propulsion, referred to as rocket-based combined-cycle (RBCC) propulsion, is considerably more flexible with respect to selecting takeoff/landing modes.The Rocket Propulsion Systems Market is projected to grow from USD 4,975.40 million in 2020 to USD 8,907.57 million in 2026, registering a CAGR of over 8.5% during the forecast period (2021 - 2026 ...Nov 12, 2021 · 2.6.2 Global 5 and 10 Largest Advanced Rocket and Missile Propulsion Systems Players Market Share by Revenue 2.6.3 Mergers and Acquisitions, Expansion 3 Production and Capacity by Region

Rocket propulsion works on the principle of Newton's Second law, it represents a system of variable mass. What is the rocket engine used for? the red rocket is used to rub for a splash of white fun.,Bootstrap navbar not showingdecided to teach the students through the Kalvi Tholaikatchichanneland also many private channels agreed to tell telecast program.So everyday there will be a schedule for each class and many teachers around Tamilnadu has taken various classes for the sake of the Tamilnadu children. in Tamilnadu the district Institute of educational training centers where used to create videos on various ...Jul 14, 2021 · NASA, DOE fund three nuclear thermal space propulsion concepts. The 12-month contracts are worth up to $5 million apiece. Artist's concept of a spacecraft powered by nuclear thermal propulsion ... Nov 12, 2021 · 2.6.2 Global 5 and 10 Largest Advanced Rocket and Missile Propulsion Systems Players Market Share by Revenue 2.6.3 Mergers and Acquisitions, Expansion 3 Production and Capacity by Region This class focuses on chemical rocket propulsion systems for launch, orbital, and interplanetary flight. It studies the modeling of solid, liquid-bipropellant, and hybrid rocket engines. Thermochemistry, prediction of specific impulse, and nozzle flows including real gas and kinetic effects will also be covered. Other topics to be covered include structural ...The two-plus year journey back to Earth began for the OSIRIS-REx spacecraft on May 10, and it will rely on Aerojet Rocketdyne propulsion as part of its return cruise. Read More The first core stage for NASA's Space Launch System rocket is unloaded from the Pegasus barge at NASA's Kennedy Space Center in Florida on April 29, 2021Abstract. The use of metals as high-energy fuels has been for long time a common approach to increase performance of chemical rocket propulsion in general. This effort was initially triggered by theoretical thermochemical considerations, but under real operating conditions, a series of collateral and unforeseen effects occurred, with both ...

Answer (1 of 2): It requires a rather large variety of technical experts to produce a successful rocket propulsion system. Typically there are chemists who develop the propellants (fuel and oxidizer), ensure their stability and optimum operating characteristics (non-corrosive, for example), and i...,Hotstar ipl live 2021 app downloadThe rocket's first stage, making its 10th flight, landed on a droneship in the Pacific Ocean nearly nine minutes after liftoff. It is the second Falcon 9 first-stage rocket to have reached the 10 ...decided to teach the students through the Kalvi Tholaikatchichanneland also many private channels agreed to tell telecast program.So everyday there will be a schedule for each class and many teachers around Tamilnadu has taken various classes for the sake of the Tamilnadu children. in Tamilnadu the district Institute of educational training centers where used to create videos on various ...Become a rocket scientist and understand the most advanced space propulsion technologies. Search. Search. Courses » Teaching & Academics » Engineering » Aerospace Engineering » Rocket Engineering and Interstellar Space Propulsion. Disclosure: when you buy through links on our site, we may earn an affiliate commission. ...Rocket Propulsion is a class of jet propulsion that produces thrust by ejecting stored matter called propellant. A solid-propellant rocket is a rocket with a rocket engine that uses solid ...A rocket's acceleration depends on three major factors, consistent with the equation for acceleration of a rocket .First, the greater the exhaust velocity of the gases relative to the rocket, , the greater the acceleration is.The practical limit for is about for conventional (non-nuclear) hot-gas propulsion systems. The second factor is the rate at which mass is ejected from the rocket.

The two-plus year journey back to Earth began for the OSIRIS-REx spacecraft on May 10, and it will rely on Aerojet Rocketdyne propulsion as part of its return cruise. Read More The first core stage for NASA's Space Launch System rocket is unloaded from the Pegasus barge at NASA's Kennedy Space Center in Florida on April 29, 2021,10 Work Unit No 790-40-07-06 11 Contract or Grant No 13 Type of Report and Period Covered Technical Note 14 Sponsoring Agency Code 15 Supplementary Notes 16 Abstract A rapid analytical method for the optimization of rocket propulsion systems is presented for a vertical take-off, horizontal landing, single-stage-to-orbit launch vehicle. This methodRocket propulsion — lesson. Science State Board, Class 10. In the previous sections, we have learned Conservation of linear momentum law and Newton's III law of motion. In this section, we will discuss one of the practical applications of these laws in detail. The propulsion of rockets is based on the Conservation of linear momentum law and Newton's III law of motion. Abstract. The use of metals as high-energy fuels has been for long time a common approach to increase performance of chemical rocket propulsion in general. This effort was initially triggered by theoretical thermochemical considerations, but under real operating conditions, a series of collateral and unforeseen effects occurred, with both ...The propulsion chamber of your rocket consists of the basic bottle rocket created in the previous section. The rocket should include a payload bay, which can be filled and emptied with sand. This is needed, as you will test your rocket with different payloads. In this science project, the nose will hold the payload.Nov 12, 2021 · 2.6.2 Global 5 and 10 Largest Advanced Rocket and Missile Propulsion Systems Players Market Share by Revenue 2.6.3 Mergers and Acquisitions, Expansion 3 Production and Capacity by Region Rocket Propulsion is a class of jet propulsion that produces thrust by ejecting stored matter called propellant. A solid-propellant rocket is a rocket with a rocket engine that uses solid ...With access to CalTech's resources and equipment, the trio formed the GALCIT Rocket Research Group. Thus, the blueprint for NASA's Jet Propulsion Lab was born. What resulted was a bachelor pad for rocket pioneers. Between rocket experiments, the trio would wax poetic about their shared socialist values, smoke marijuana, and drink to excess.Small, low-thrust, long-burn-time solid propellant rocket motors could provide propulsion for a new class of kilogram-scale, transonic, uncrewed aerial vehicles (UAVs). This paper investigates technological challenges of small, low-thrust solid rocket motors: slow-burn solid propellants, motors that have low thrust relative to their size (and thus have low chamber pressure), thermal protection ...

US2771739A US34256453A US2771739A US 2771739 A US2771739 A US 2771739A US 34256453 A US34256453 A US 34256453A US 2771739 A US2771739 A US 2771739A Authority US United States Prior art keywords nitric acid propellants combustion fuming nitric liquid Prior art date 1943-05-08 Legal status (The legal status is an assumption and is not a legal conclusion.,SORAC : Sub Orbital Rocket, Amateur Class Hollister and the Central Valley's Amateur Rocket Society. The SORAC Project was initiated in 1995 as a Civil Experimental Aerospace endeavor. The first goal is to place a totally non-government funded vehicle into internationally recognized space, 62 statute miles straight up.Here are 5 Propulsion Systems that could take Humans to Stars. 05. Nuclear Pulse Rockets Nuclear pulse propulsion or external pulsed plasma propulsion, is a theoretical method of spacecraft propulsion that uses nuclear explosions for thrust. It was first developed as Project Orion by DARPA, after a suggestion by Stanislaw Ulam in 1947. Newer designs…AA 284a Advanced Rocket Propulsion Stanford University • Hazard Class - Class 1.1: Deflagration to detonation transition is possible (Grains containing HMX, RDX) - Class 1.3: Can not detonate. Fire and explosion hazard - Class 1.4: Lower grade propellants (low AP loadings) • Detonation vs DeflagrationBlue Origin, LLC is an American privately funded aerospace manufacturer and sub-orbital spaceflight services company headquartered in Kent, Washington. Founded in 2000 by Jeff Bezos, the founder and executive chairman of Amazon, the company is led by CEO Bob Smith and aims to make access to space cheaper and more reliable through reusable launch vehicles. Answer: b. Clarification: The total impulse can be obtained by integrating the force F with respect to time t from 0 to 3. The total impulse for a varying force F is obtained by It = ∫Fdt. It = 250 x (tb3 + tb2) = 250 x (64 + 16) = 20,000 Ns. 8. For a rocket, the specific impulse was found to be 250s.Such features inhibit their use for rocket propulsion. Unfortunately, almost any propellant that gives good performance is apt to be a very active chemical; hence, most propellants are corrosive, flammable, or toxic, and are often all three. Ducted rockets are intermediate between solid rockets and liquid ramjets in their propulsion characteristics. Since the gas generation rate in gas generator of the rockets is kept constant, the air-to-fuel ratio also remains constant. Optimized combustion performance is thereby obtained. Nov 12, 2021 · 2.6.2 Global 5 and 10 Largest Advanced Rocket and Missile Propulsion Systems Players Market Share by Revenue 2.6.3 Mergers and Acquisitions, Expansion 3 Production and Capacity by Region The Type 055 class warships are larger and have nearly twice the displacement of the latest China's Type 052D class destroyers. Furthermore firepower of the Type 055 class increased exponentially comparing with the Type 052 class. The new cruisers have superior offensive capabilities. These new cruisers were built as multi-role warships.A rocket's acceleration depends on three major factors, consistent with the equation for acceleration of a rocket .First, the greater the exhaust velocity of the gases relative to the rocket, , the greater the acceleration is.The practical limit for is about for conventional (non-nuclear) hot-gas propulsion systems. The second factor is the rate at which mass is ejected from the rocket.1 day ago · The Eagles and Rockets clash at 1 p.m. Saturday at Slippery Rock University for the District 10 Class 3A championship. COREY J. CORBIN | Herald Route 173 Rivalry: Rockets, Eagles clash for ... Rocket propulsion × ... Dewey Decimal Class 629.134354 Library of Congress TL782 .P763 1960 The Physical Object Pagination 829 p. Number of pages 829 ID Numbers Open Library OL6271703M Internet Archive friedrichschille00burs LC Control Number 59008941

Jun 17, 2019 · Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. ,The Type 055 class warships are larger and have nearly twice the displacement of the latest China's Type 052D class destroyers. Furthermore firepower of the Type 055 class increased exponentially comparing with the Type 052 class. The new cruisers have superior offensive capabilities. These new cruisers were built as multi-role warships.A rocket's acceleration depends on three major factors, consistent with the equation for acceleration of a rocket .First, the greater the exhaust velocity of the gases relative to the rocket, , the greater the acceleration is.The practical limit for is about for conventional (non-nuclear) hot-gas propulsion systems. The second factor is the rate at which mass is ejected from the rocket.Objectives: Analysis of propulsion systems using chemical rocket engines. Liquid and solid chemical rocket engines, nozzle theory, component analysis, and flight performance. Grading and Exams: Homework and Design Problems 30% . Two 1-hour examinations 30% . One 2-hour final examination 30% . Attendance and class demeanor 10% Total 100%Aug 20, 2021 · “The word propulsion comes from the Latin ‘propulsus’, meaning ‘to drive away’. Rocket propulsion is a class of propulsion that produces thrust by ejecting matter, called the working fluid or propellant, stored entirely within the flying vehicle.” -Rocket Propulsion Elements by George P. Sutton. Introduction

With access to CalTech's resources and equipment, the trio formed the GALCIT Rocket Research Group. Thus, the blueprint for NASA's Jet Propulsion Lab was born. What resulted was a bachelor pad for rocket pioneers. Between rocket experiments, the trio would wax poetic about their shared socialist values, smoke marijuana, and drink to excess.,1 day ago · The Eagles and Rockets clash at 1 p.m. Saturday at Slippery Rock University for the District 10 Class 3A championship. COREY J. CORBIN | Herald Route 173 Rivalry: Rockets, Eagles clash for ... Rocket Propulsion Market Research Report by Component (Combustion Chamber, Igniter Hardware, and Motor Casing), by Orbit (Beyond Geosynchronous Orbit, Geostationary Earth Orbit, and Low Earth Orbit), by Propulsion Type, by Type, by Vehicle, by End User, by Region (Americas, Asia-Pacific, and Europe, Middle East & Africa) - Global Forecast to 2026 - Cumulative Impact of COVID-19New York, July ...View Virtual Lecture -10 -Rocket Propulsion.pptx from AE AS-305 at Military Institute of Science and Technology. AEROSPACE PROPULSION AEAS : 305/337 AEROSPACE PROPULSION LECT-10 LECT-4 COURSE Rocket propulsion is the force that is used by the rocket to take off from the ground. It is based on the principle of Newton's third law of motion. Liquid-fuel, solid fuel, cold gas and ion are the types of rocket propulsion. Acceleration of the rocket is given as: a = ve m Δm Δt −g a = v e m Δ m Δ t − g. Acceleration depends on the ...View Virtual Lecture -10 -Rocket Propulsion.pptx from AE AS-305 at Military Institute of Science and Technology. AEROSPACE PROPULSION AEAS : 305/337 AEROSPACE PROPULSION LECT-10 LECT-4 COURSE

NASA, DOE fund three nuclear thermal space propulsion concepts. The 12-month contracts are worth up to $5 million apiece. Artist's concept of a spacecraft powered by nuclear thermal propulsion ...,Rocket Propulsion Market Competitor overview Some key developments and strategies adopted by manufacturers in the Rocket Propulsion are highlighted below. · In February 2021, China announced its plans to conduct 40 space launches in 2021, with the development of the country's first space platform as its top priority.MEEG 4433 – Aerospace Propulsion – Distance Ed Course Schedule Class Week Topic Text Sections 1 Thermo Review Preface, 1.1-2.2 Thermo Review, Combustion 2.3-2.4 2 Fluid Mechanics of Ideal Gases 3.1-3.7 Boundary Layers 4.1-4.3 3 Boundary Layers 4.3-4.5 Rocket propulsion works on the principle of Newton's Second law, it represents a system of variable mass. What is the rocket engine used for? the red rocket is used to rub for a splash of white fun.Rocket Engines: Live Nozzle CAD Heredity and Evolution Sprint X 2020 | CBSE Class 10 Biology | NCERT Solutions | Vedantu Class 10 Rocket Propulsion Elements 7th Solutions Solutions Manuals are available for thousands of the most popular college and high school textbooks in subjects such as Math, Science (Physics, Chemistry, Biology ...Rocket Propulsion Principles: The Propellant Pump(s) An essential component of liquid fuelled rocket engines is the means of delivering the propellants (the fuel and the oxidiser) to the combustion chamber. The simplest method used in low thrust rockets is by pressurising the fuel and oxidiser tanks with compressed air or a gas such as nitrogen ...tially detonable material (class 1.1) or as a nondetonable material (class 1.3), as described in Section 11.3. Examples of class 1.1 propellant are a number of double-base propellants and composite propellants containing a significant portion of solid explosive (e.g., HMX or RDX), togethertl;dr: I'm trying to find a method to model a rocket class that accurately that accounts for control, aerodynamics, and propulsion systems. All of which change depending on time and velocity (among other factors). The class will be used to solve an optimal control problem.Requisition ID: 21012058. Location: Rocket Center - WV, United States of America. At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many ...Rocket propulsion is based on Newton's laws. The faster propellant is expelled, the faster the rocket is accelerated. ... Tom Spiker's answer does, but I tried to emphasize the parts I remembered being emphasized in the Thermodynamics of Propulsion class as taught by Prof. Varghese at the University of Texas.

How Much Do Rocket Propulsion Jobs Pay per Year in San Diego, CA? $18,396 - $30,149. 8% of jobs. $30,150 - $41,902. 10% of jobs. $41,903 - $53,655.,US2771739A US34256453A US2771739A US 2771739 A US2771739 A US 2771739A US 34256453 A US34256453 A US 34256453A US 2771739 A US2771739 A US 2771739A Authority US United States Prior art keywords nitric acid propellants combustion fuming nitric liquid Prior art date 1943-05-08 Legal status (The legal status is an assumption and is not a legal conclusion.Dec 23, 2020 · Rocket propulsion elements by George Paul Sutton, 2010, Wiley edition, ... Dewey Decimal Class 629.47/5 Library of Congress TL782 .S8 2010 The Physical Object Rocket propulsion is the system that uses force to lift a rocket off the ground. The propellant, consisting of a fuel and an oxidizer, goes through the three parts of an engine: ...The thrust developed by the rocket engine and the exhaust velocity of the reactive jet are of primary importance in a rocket; the thrust of the rocket engines used to launch spacecraft can reach 10 meganewtons, and the exhaust velocity of the reactive jet is between 3,000 and 4,500 m/sec.

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Rocket Propulsion Market Competitor overview Some key developments and strategies adopted by manufacturers in the Rocket Propulsion are highlighted below. · In February 2021, China announced its plans to conduct 40 space launches in 2021, with the development of the country's first space platform as its top priority.