PREP 4 UPSC
11.2K subscribers
13.2K photos
20 videos
303 files
2.96K links
πŸ“ News analysis of The Hindu
πŸ“ Explained of Indian Express
πŸ“ MCQs on current Affairs @mcqs4prelims
πŸ“ Easy to remember graphics

prep4upscofficial@gmail.com
Download Telegram
#GS_3
#Science_and_Technology
#Space #ISRO #Gaganyaan
#Chandrayaan #SSLV

Read about Gaganyaan, Chandrayaan, ISRO's second launch station and SSLV. Important for
#Prelims and #Mains.
#GS_3
#Science_and_technology
#Space #ISRO

Important article. Read about HSFC and Gaganyaan mission, important for
#Prelims and #Mains.
#GS_3
#Science_and_technology
#Space #ISRO

Important article. Read about HSFC and Gaganyaan mission, important for
#Prelims and #Mains.
#GS_3
#Science_and_Technology
#Space #ISRO #IDRSS

Read about IDRSS. Important for
#Prelims and #Mains.
#GS_3
#Science_and_Technology
#Space #ISRO

Make a short note. Important for
#Prelims and #Mains.
#GS_3
#Science_and_Technology
#Space #ISRO

India’s telecommunication satellite GSAT-30 was successfully launched into a Geosynchronous Transfer Orbit (GTO) on January 17, 2020 from Kourou launch base, French Guiana by Ariane-5 VA-251. Read about it. Also read India's
space launching capacity and its limitations. What is the difference between GSLV-Mk II and Mk-III?
#GS_3
#Secience_and_Technology
#Space

Read about Thirty Meter Telescope(TMT), important for
#prelims. Also read issues associated with such projects.
#GS_3
#Science_and_technology
#Space #ISRO

Read about HSFC and Gaganyaan mission, important for
#Prelims and #Mains.
#GS_3
#Science_and_Technology
#Space #ISRO

Read about First Geo Imaging Satellite. Make a short note. Important for
#Prelims.
#GS_3
#S_and_T #Space #ISRO

Read about NewSpace India Limited and Antrix corporation, commercial arms of ISRO. Make a short note.
#GS_3
#Science_and_Technology
#Space #IRSO

Recently, a spacecraft, Crew Dragon, built by SpaceX has successfully carried astronauts of National Aeronautics and
Space Administration (NASA) at the International Space Station.

SpaceX became the first private company to launch people (human spaceflight) into orbit, a feat achieved by the US, Russia & China.

Read that how ISRO could monetize its competitive advantage.
#GS_3
#Science_and_Technology
#Space #ISRO

The Union Cabinet has approved the creation of the Indian National
Space Promotion and Authorization Centre (IN-SPACe) to provide a level playing field for private companies to use Indian space infrastructure.

Note the key differences between IN-
SPACe, ANTRIX and NSIL. We can expect a prelims question with shuffled objectives of these organisations.
#GS_3
#Science_and_Technology
#Space #ISRO

The Union Cabinet has approved the creation of the Indian National
Space Promotion and Authorization Centre (IN-SPACe) to provide a level playing field for private companies to use Indian space infrastructure.

Note the key differences between IN-
SPACe, ANTRIX and NSIL. We can expect a prelims question with shuffled objectives of these organisations.
#GS_3
#Science_and_Technology #Space

A forty-year-old puzzle regarding the production of lithium in stars has been solved by Indian researchers.

βœ…
#Facts4Prelims

Lithium is a chemical element with the symbol Li and atomic number 3. It is a soft, silvery-white alkali metal. Under standard conditions, it is the lightest metal and the lightest solid element.

Today, it is used commonly in communication device technology.
#GS_3
#Space #ISRO #Chandrayaan

βœ… By using CLASS instrument (Chandrayaan-2 large area soft X-ray spectrometer) carried by the second Indian Moon mission, Chandrayaan-2, scientists from ISRO have mapped out the global distribution of sodium on the Moon’s surface.

βœ… Sodium is the only element apart from potassium that can be observed through telescopes in the lunar atmosphere (its exosphere). This new map of sodium would enable understanding of the surface-exosphere connection.

πŸ”Ί
#Mains_PYQ
India has achieved remarkable successes in unmanned
space missions including the Chandrayaan and Mars Orbiter Mission, but has not ventured into manned space missions, both in terms of technology and logistics? Explain critically. (CSE Mains 2017- GS3)

πŸ”—βž–
@prep4upsc
πŸ‘2
#GS_3
#Space #NASA #DART

βœ… For the very first time, NASA scientists have succeeded in slightly altering the trajectory of an asteroid by using a spacecraft to slam into it.

βœ… NASA launched its Double Asteroid Redirection Test (DART) mission in November 2021. It is the first-ever mission dedicated to investigating and demonstrating one method of asteroid deflection by changing an asteroid’s motion in
space through kinetic impact.

πŸ”—βž–
@prep4upsc
❀‍πŸ”₯3πŸ‘2πŸ•Š1
#GS3 #Prelims
#Science_and_Technology #Space

βœ… Read about New Shepard rocket (NS-25), Blue Origin vehicle, Karman Line and Gaganyaan Mission.

πŸ”—
@prep4upsc
πŸ‘1πŸ™1
#GS_3 #S&T #Space #Bio_Technology

Read about

βœ… ISRO-DBT Agreement and its importance
βœ… Bharatiya Antariksh Station (BAS)- India’s proposed indigenous space station
βœ… Gaganyaan mission- India’s first crewed mission to space
βœ… BioE3 (Biotechnology for Economy, Environment and Employment) policy
βœ… Bio-economy- would be worth $300 billion by 2030

@prep4upsc
❀1
#GS_3 #Space

Read about

βœ… Bharatiya Antariksh Station 1
βœ… NISAR (NASA-ISRO Synthetic Aperture Radar)
βœ… Astrosat
βœ… β€˜Gaganyaan’ human spaceflight programme
βœ… Next Generation Launch Vehicle (NGLV)
βœ… Chandrayaan-4 and LUPEX
βœ… Space Based Surveillance (SBS) missions
βœ… LEAP-3 mission

@prep4upsc
❀2