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Mali meteorite Teghaza 001 identified as a 4.1-billion-year-old piece of Mars
ಸುದ್ದಿಯಲ್ಲಿ ಏಕೆ?
A 4.1-billion-year-old Martian rock lay in the Sahara: the GS3 space-science basics to know
A Sahara meteorite is confirmed as Martian rock at least 4.1 billion years old.
Why it matters: GS-3 core; factual, Prelims-type
What you need to know
2 ನಿಮಿಷ
Scientists have identified Teghaza 001, a rose-coloured meteorite found in Mali's Sahara Desert, as a piece of Mars formed at least 4.1 billion years ago.
Meteorite hunters discovered it, and its Martian origin was established after laboratory study.
Such samples give a rare physical record of early Martian crust.
ಮೂಲಗಳು: Topper IAS editorial (PIB / The Hindu / Indian Express)
ಮುಖ್ಯ ಅಂಶಗಳು
Remember these
- Teghaza 001 is a rose-coloured meteorite found in the Sahara Desert of Mali.
- Laboratory study identified it as a piece of Mars formed at least 4.1 billion years ago.
- It was discovered by meteorite hunters, and its Martian origin was confirmed only after lab analysis.
- Such samples give a rare physical record of early Martian crust.
- India's Mars Orbiter Mission (Mangalyaan), launched in 2013, reached Mars orbit in September 2014 in its first attempt.
ಪ್ರಿಲಿಮ್ಸ್ · ಮೇನ್ಸ್
How the exam will ask it
ಪ್ರಿಲಿಮ್ಸ್
- A meteorite is a rock from space that survives passage through the atmosphere and lands on Earth; the same body is called a meteoroid in space and a meteor during its fiery fall.
- Meteorites of Martian origin reach Earth after impacts eject rock from the Martian surface, so they are physical samples of Mars available without a sample-return mission.
- Teghaza 001, found in Mali's Sahara, is dated to at least 4.1 billion years, which makes it a record of early Martian crust.
ಮೇನ್ಸ್
GS Paper 3 (Science and Technology): meteorites are a low-cost source of planetary samples, but their origin and context are uncertain compared with samples collected in situ. This strengthens the case for Mars missions and sample return, and for international data sharing and cooperation, where India's Mangalyaan experience is relevant. The way forward is to combine meteorite studies with orbital and rover data, and to build domestic planetary-science laboratories.
Quick recall
Answer before you reveal
ಅಭ್ಯುದಯ ಸಹಕಾರಿ ಬ್ಯಾಂಕ್ ವಿಷಯದಲ್ಲಿ ಬಳಸಿದಂತೆ, ಸಹಕಾರಿ ಬ್ಯಾಂಕಿನ ನಿರ್ದೇಶಕ ಮಂಡಳಿಯನ್ನು ಅಧಿಕ್ರಮಿಸುವ ಆರ್‌ಬಿಐ ಅಧಿಕಾರ ಯಾವ ಕಾಯ್ದೆಯಿಂದ ಬರುತ್ತದೆ?
- ಭಾರತೀಯ ರಿಸರ್ವ್ ಬ್ಯಾಂಕ್ ಕಾಯ್ದೆ, 1934
- ಕಂಪನಿಗಳ ಕಾಯ್ದೆ, 2013
- ಬಹು-ರಾಜ್ಯ ಸಹಕಾರಿ ಸಂಘಗಳ ಕಾಯ್ದೆ, 2002
- ಬ್ಯಾಂಕಿಂಗ್ ನಿಯಂತ್ರಣ ಕಾಯ್ದೆ, 1949
ಉತ್ತರ ನೋಡಿ
ಉತ್ತರ: D — ಸರಿಯಾದ ಉತ್ತರ: ಬ್ಯಾಂಕಿಂಗ್ ನಿಯಂತ್ರಣ ಕಾಯ್ದೆ, 1949. ಅದರ ಸೆಕ್ಷನ್ 36AAA ಮತ್ತು ಸೆಕ್ಷನ್ 56 ಆರ್‌ಬಿಐಗೆ ಸಹಕಾರಿ ಬ್ಯಾಂಕುಗಳ ಮೇಲೆ ಈ ಅಧಿಕಾರ ನೀಡುತ್ತವೆ.
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