IAS Exam Preparation of Science & Technology via Infographics
You will be tested by UPSC on Questions relating to Science & Technology. ISRO’s Mars Orbiter Mission (MoM) Mangalyaan is extremely significant from examination point of view.
Science & Technology for IAS Exam Preparation 2016
Topic – Mars Orbiter Mission – Mangalyaan
Facts About Mars
- Has two moons: Phobos and Deimos
- 4th planet from Sun
- 2nd smallest planet in the Solar system after Mercury.
- Diameter: ~6800 kms (Mars); Earth (~12700 kms)
- Volume wise, ~8 Mars would fit inside our Earth.
- One Martian day: 24 hours 37 minutes
- One Martian year: 687 days
- Mars is also tilted on its axis (25 degrees).
- Mars gravity 1/10th of Earth.
- When Sun and Mars are in opposite direction, it can be easily observed from Earth.
Facts About Mangalyaan
- MoM/Mangalyaan: first Indian spacecraft to cross Earth’s escape velocity of 11.2 km per second.
- Mangalyaan traveled for ~300 days, covering ~65 crore kilometers, and reached Martian orbit in September 2014.
- Mangalyan is not the fastest spacecraft to reach Mars. Others are far ahead of It, in terms of speed. For example- European Space Agency’s Mars mission (2003) reached Mars in ~210 days.
- MoM cost 7 rupees per kms to reach
ISRO’s MoM Versus NASA’s Maven
| ISRO’s MoM | NASA’s Maven |
|---|---|
| Mars Orbitor Mission | Mars Atmosphere and Volatile Evolution Mission (MAVEN) |
| launch vehicle=PSLV | Atlas V rockets. (more powerful than PSLV) |
| launched on 5th Nov 2013 | 18th Nov 2013 |
| reached Mars on 24th Sep 2014 | Reached Mars on 21st Sep 2014. |
| launched from Sriharikota, Andhra | launched from Cape Canaveral in Florida, US. |
| Rs.450 crore | $671 million |
| ~1,350 kg | ?? |
Doing three studies:
|
|
| has five instruments/payloads | has eight instrument- spectrograph, magnetometer, ion analyzer etc. |
| – | The spacecraft may also provide communications relay support for future Mars landers and rovers. |
IAS Exam Quiz
[watupro 597]
Useful Links for IAS Aspirants
ENROLL FOR CIVIL SERVICES PREPARATION PACKAGES AND TESTS DESIGNED BY PREVIOUS YEAR TOPPERS ONLY FOR RS 499
HOW TO PREPARE SCIENCE AND TECHNOLOGY FOR CIVIL SERVICES
CIVIL SERVICES PRELIMINARY EXAM PATTERN, SYLLABUS AND RECOMMENDED BOOKS
Suggested Reading
DAILY INFOGRAPHICS ON GS
references:mrunal.org
 Managalyaan is extremely significant from IAS Exam preparation point of view in the Science section.){kind=link}