csat paper 1 general studies: space science

8/18/2019 CSAT Paper 1 General Studies: Space Science

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SPACE SCIENCE

SPACE TECHNOLOGY

It is the technology developed by the aerospace industry for

implementation in spaceflight, satellites, space exploration,

space stations and support infrastructure. plenty of daily

services such as weather forecasting, remote sensing, GPS

systems,satellitetelevision,andlongdistancecommunications

systems rely on space technology.

Space Shuttle

• The primary vehicle for research and exploration is

the space shuttle. The space shuttle takes off like a

rocket, orbits the earth like a spacecraft and lands,like an aeroplane. It consists of an orbiter, an

external tank and two solid rocket boosters.

Artificial Satellites

• n artificial satellite is a manufactured !moon". It circles

the earth in space along a path called an orbit. n artificial

satellite may be designed in almost any space. It does not

have to be streamlined, because there is little or no air

where it travels in space. rtificial satellite may be

classified according to the #obs they do as $ weather

satellites, communications satellites, navigation satellites,

scientific satellites and military satellites.

Space Probes

• Space Probes are the automated space craft which

are operated and managed by robots so as to

explore space after leaving %arth"s orbit. They can

reach the moon& enter into interplanetary space& act

as fly by and last but not the least they can land on

other planetary bodies.

Orbit

• n orbit can be a circular or eliptical path which isgenerally followed around an ob#ect in space. In ob#ect

in an orbit is continuously moving unless and unfill

some external force will be applied to it. 'ore or less

every celestial body in space has their own orbit.

Space Centres and Units

• (ikram Sarabhai Space )entre *(SS)+ Thumba

*Thiruvananthapuram+

• IS- Satellite )entre *IS)+ /engaluru

• S0- )entre Shriharikota *ndhra Pradesh+

• 1i2uid Propulsion Systems )entre *1PS)+ /engaluru

• Space pplication )entre hemdabad

• 3evelopmental and %ducational )ommunication

hmedabad unit *3%)4+

• IS- Telemetry Tracking and )ommand 5etwork

*IST-)+ /engaluru

• 5ational -emote Sensing gency *5-S+ 0yderabad

• 'aster )ontrol 6acility *')6+ 0assan *7arnataka+

• The ntrix )orporation 1imited /engaluru

• 5orth %asternSpace pplications )entre *5%S)+

Shillong• Physical -esearch 1aboratory *P-1+ hmedabad

• 1aboratory for %lectro ptical System *1%S+

• IS- Internal System 4nit *IIS4+

• Indian Institute of -emote Sensing

• -egional -emote Sensing Service )entre *--S)+

• 3evelopment and %duction )ommunication *3%)4+

• Space pplication )entre *S)+

• 5ational -emote Sensing )entre *5-S)+

• IS- Telemetry -acking and )ommand 5etwork

*IST-)+• Indian Institue of Space Science and Technology *IIST+

• ntrix )orporation 1imited.

• 5ational tmospheric -esearch 1aboratory *5-1+

• Semi)onductor 1aboratory *S)1+

Indian Space Programme

• Indian Space Programme have been initiated during

89:; when the space researches were generally

carried out with the help of sounding rockets.

• In 89:9 Indian Space -esearch rganisation *IS-+

was formed which is known to be the pioneer institution

for conducting space programmes in India. 1ater two

other institution were added to the list named as Space

)ommission and 3epartment of Space so as to gear up the space reseach activities. Today"s India is

facilitated with robust launch vehicle programmes for

launching it indigenously.

• In the initial stages of space programmes, satellite

experiments such ryabhatta, /haskar, -ohini and pple

were conducted. /ut with due course of time operational

satellite programmes were also being executed. I5ST

*Indian 5ational Satellite System+ and I-S *Indian -emote

Servicing Satellite System+ are the now among the ma#or

space programmes conducted by IS-.


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(NSAT System• The Indian 5ational Satellite *I5ST+ system is a multi

agency, multipurpose and operational satellite system for

domestic telecommunications, meteorological

observations and data relay, nationwide direct satellite

television broadcasting and nationwide radio and

television distribution programme.

Indian National Satellite (INSAT)

SystemThe I5ST series, commissioned in 89 3ec., ?;8@

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*

8. 4nder Indian space programme, the abbreviation

GS1( stands for$

*a+ Geosynchronous Satellite 1aunch (ehicle*b+ Global Satellite 1ink (ehicle

*c+ Geostationary Solar 1ight (ehicle

*d+ 5one of these

?. Ehich of the following is named as GioveF

*a+ It is the name of the first satellite of Galileo 5avigation

Programme launched by the %uropean 4nion.

*b+ It is the name of the third permanent station at

ntarctica established by India.

*c+ It is the name of the new telescope placed in the space

by the 5S and IS- #ointly.

*d+ It is the name of the new battle tanks supplied

by SwitDerland to Indian rmy.

=. The Polar Sattellite 1aunch (ehicle which put

)handrayaanl into its orbit is

*a+ PS1()< *b+ PS1( ,),9

*c+ PS1( )l l *d+ PS1(,),>

@. )ryogenic %ngines are used in .

*a+ tomic %nergy *b+ 6ood Processing

*c+ ceanography *d+ Space -esearch

A. India has recently begun construction work on its third

research station in the ntarctic region for undertaking

multidisciplinary studies on various sub#ects, including

climate change. The station has been named*a+ 0industan *b+ /harat

*c+ 0industani *d+ /harati

:. The world"s highest ground based telescopic

observatory is located in $

*a+ )olombia *b+ India

*c+ 5epal *d+ SwitDerland

>. n artificial satellite orbiting around the %arth does not

fall down. This is so because the attraction of %arth

*a+ does not exist at such distance

*b+ is neutraliDed by the attraction of the moon

*c+ provides the necessary speed for its steady motion

*d+ provides the necessary acceleration for its motion


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csat paper 1 general studies: space science

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