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ISRO says NVS-03 navigation satellite is healthy
સમાચારમાં કેમ?
India's own GPS rival is not global: the NavIC orbit mix Prelims space questions test
NVS-03 healthy; NavIC being strengthened.
Why it matters: asked in UPSC 2002
What you need to know
2 મિનિટ
ISRO Chairman V.
Narayanan said the NVS-03 navigation satellite is fully healthy and its payload will undergo in-orbit testing.
The satellite supports NavIC, India's regional navigation system and an indigenous alternative to GPS, which uses geostationary and inclined geosynchronous satellites.
સ્રોત: Topper IAS editorial (PIB / The Hindu / Indian Express)
મુખ્ય તથ્યો
Remember these
- ISRO Chairman V. Narayanan said the NVS-03 navigation satellite is fully healthy
- NVS-03's payload will undergo in-orbit testing
- NavIC is India's regional navigation system and an indigenous alternative to GPS
- NavIC uses satellites in geostationary and inclined geosynchronous orbits
- NavIC is the operational name of the Indian Regional Navigation Satellite System (IRNSS)
પ્રિલિમ્સ · મેઇન્સ
How the exam will ask it
પ્રિલિમ્સ
- NavIC is a regional navigation satellite system covering India and its surrounding region, not a global system like GPS.
- The NavIC constellation includes satellites in both geostationary and inclined geosynchronous orbits.
- NVS-03 is a navigation satellite supporting NavIC, developed and operated by ISRO.
મેઇન્સ
GS3 Science & Technology (Space): Dependence on foreign systems like GPS is a strategic vulnerability for navigation, defence and civil services. NavIC, strengthened by the NVS series satellites, offers an indigenous, regionally accurate alternative. The way forward is wider adoption in smartphones and transport, timely launches to keep the constellation healthy, and gradual expansion of coverage.
PYQ connection
A question UPSC has already asked on this
With reference to Indian satellites and their launchers, consider the following statements:
- All the INSAT series of satellites were launched abroad.
- PSLVs were used to launch IRS-series of satellites.
- India used the indigenously built cryogenic engines for the first time for powering the third stage of GSLV.
- GSAT, launched in the year 2001, has payloads to demonstrate digital broadcasts and internet services.
Which of these statements are correct?
- 1, 2, 3 and 4
- 2, 3 and 4
- 1, 2 and 4
- 1 and 3
જવાબ જુઓ
જવાબ: A
Why this matters: today's issue is directly connected to a concept UPSC has already tested. Read the story with this question in mind.
Practise this PYQ →Quick recall
Answer before you reveal
With reference to NavIC, India's regional navigation satellite system, consider the following statements:
- It is a global navigation system with worldwide coverage.
- Its constellation includes satellites in geostationary and inclined geosynchronous orbits.
Which of the statements given above is/are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
જવાબ જુઓ
જવાબ: B — Correct: 2 only — statement 2 is right, as NavIC uses geostationary and inclined geosynchronous satellites, while statement 1 wrongly calls it global. • 1 only — wrong: statement 1 is false, because NavIC is a regional system covering India and its surrounding region, not the globe. • Both 1 and 2 — wrong: statement 1 cannot hold; a worldwide-coverage system would be like GPS or Galileo, not NavIC. • Neither 1 nor 2 — wrong: statement 2 is accurate, so 'neither' is incorrect.
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