Earth Observation Satellite-01

Question 1

What is EOS-01?

Answer 1

-earth observation satellite
-another Radar Imaging Satellite (RISAT) that will work together with RISAT-2B and RISAT-2BR1 launched last year.
[EARTH OBSERVATION & RADAR IMAGING SATELLITE]

TRICK : EOS=EARTH OBSERVATION SATELLITE

Question 2

What are earth-observation satellites used for?

Answer 2

1. Land and forest mapping and monitoring [MAP LAND,FOREST]
2. mapping of resources like water or minerals or fishes,[MAP RESOURCES]
3. weather and climate observations [OBSERVE WEATHER,SOIL]
4. soil assessment

Question 3

What are Advantages of radar imaging over optical instruments?

Answer 3

Radar imaging is unaffected by weather, cloud or fog, or the lack of sunlight. It can produce high-quality images in all conditions and at all times.

[UNAFFECTED BY WEATHER,FOG]

Question 4

What is radar imaging satellite?

Answer 4

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Question 5

Which launch vehicle was used for this launch?

Answer 5

Polar Satellite Launch Vehicle (PSLV-C49).

Question 6

What is PSLV?

Answer 6

-four-stage expendable medium-lift launch vehicle designed [FOUR STAGE LAUNCH VEHICLE]
- main objective is to launch low earth orbit satellites, PSLV can also launch small size satellites into Geostationary Transfer Orbit (GTO).
[WHY? :TO LAUNCH LOW EARTH ORBIT SATELLITE ;ALSO IN GEOSTATIONARY ORBIT]
TRICK : LOW EARTH ORBIT(L-E-O) & GEOSTATIONARY (GEO) -> LEO GEO
-third generation launch vehicle of India [3RD GEN]
- first Indian launch vehicle to be equipped with liquid stages. Stage 2 (Vikas Engine) and stage 4 of the satellite use liquid fuels while the first and third stage use solid fuels. [1ST TO HAVE LIQUID STAGES I.E. USE LIQUID FUEL IN 2ND & 4TH STAGE]