QUESTION 15
GS3
15 marks
Launched on 25th December, 2021, James Webb Space Telescope has been much in the news since then. What are its unique features which make it superior to its predecessor Space Telescopes? What are the key goals of this mission? What potential benefits does it hold for the human race?
WRITE IN
11 min
250 words
What the examiner wants
Explain JWST's unique features over earlier telescopes, its mission goals and benefits for humanity.
ExplainMake clear how and why it happens: causes, process, and an example for each point.
Demand-wise check
- 1Features: 6.5 m segmented gold-coated mirror, infrared vision, sunshield, located at L2≈65 words
- 2Goals: first galaxies, star and planet formation, exoplanet atmospheres, origins of life≈65 words
- 3Benefits: knowledge, technology spin-offs, inspiration, international cooperation≈65 words
Open in about 30 words and close in about 30.
Answer plan
IntroFeatures vs HubbleGoalsBenefitsConclusion
Where marks usually go
- Answering only features
- Not comparing with Hubble
Draw this
- Comparison table: Hubble vs JWST
Value addition
- FactJWST orbits the Sun–Earth L2 point, about 1.5 million km from Earth.NASA
- FactJWST's primary mirror is 6.5 m wide versus Hubble's 2.4 m.NASA / ESA
Mapped topper copies
Reviewed public-source references related to this PYQ. Same-syllabus references are labelled separately.
- Shakti Dubey · AIR 1 · Page 38 ↗Reviewed PYQ reference
- Mayank Purohit · AIR 33 · Page 9 ↗Same syllabus reference
- Aniket Ranjan · AIR 48 · Page 38 ↗Same syllabus reference
- Aniket Ranjan · AIR 48 · Page 11 ↗Same syllabus reference
Links open original public sources. MainsBuddy does not host these answer sheets.
Next: plan for one minute, write it in 11 minutes, then get it checked.