SSC
The Lyrids meteor shower is usually seen from the Earth in the month of:
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Answer: Option B — April
Detailed Solution
The Lyrids meteor shower is active every year from about mid-April to late April, with its peak usually around 21 to 23 April.
What a meteor shower is:
- A meteor shower occurs when the Earth passes through a stream of dust and small rocky particles left behind by a comet.
- When these particles enter the Earth's atmosphere at high speed, they burn up because of friction with the air, producing streaks of light called meteors or "shooting stars".
- Because the particles all travel in parallel paths, the meteors appear to come from a single point in the sky, called the radiant.
- Showers are named after the constellation in which the radiant lies.
About the Lyrids:
- The radiant of the Lyrids lies in the constellation Lyra, near the bright star Vega.
- The shower is caused by debris from Comet C/1861 G1 Thatcher, a long-period comet that orbits the Sun about once every 415 years.
- At its peak, the Lyrids usually produce about 10 to 20 meteors per hour, though occasional outbursts have produced many more.
- It is one of the oldest recorded meteor showers; Chinese records describe it about 2,700 years ago, in 687 BCE.
- The Lyrids are known for producing occasional bright fireballs.
Other major annual meteor showers:
- Quadrantids: early January.
- Eta Aquariids: May, linked with Halley's Comet.
- Perseids: mid-August, from Comet Swift-Tuttle; one of the most popular showers.
- Orionids: October, also linked with Halley's Comet.
- Leonids: November, from Comet Tempel-Tuttle.
- Geminids: mid-December, from the asteroid 3200 Phaethon; often the strongest shower of the year.
Best way to watch:
- Meteor showers are best seen from dark places away from city lights, after midnight, without a bright Moon in the sky.
- No telescope is needed; the naked eye is best.
Why not the other options?
- ✗January is the month of the Quadrantids.
- ✗August is the month of the Perseids.
- ✗December is the month of the Geminids.
Quick tip
Remember: Lyrids = April (radiant in Lyra, from Comet Thatcher); Perseids = August; Geminids = December.
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This question tests your understanding of Universe & Solar System, a key topic in the General Knowledge section. The detailed solution above uses a step-by-step approach to show the reasoning, and where available, a shortcut that helps you solve similar questions in under 90 seconds during the actual exam.
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