Messier 92 (M92)
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Context
- Astronomers have released an image of the globular cluster Messier 92 (M92), captured by the James Webb Space Telescope.
Details
- Messier 92 is a globular cluster of stars in the northern constellation of Hercules.
- M92, is among the largest, oldest and brightest globular clusters in the Milky Way.
- It was discovered by Johann Elert Bodein 1777. It was inadvertently rediscovered by Charles Messier on March 18, 1781.
- It is one of the brighter of its sort in apparent magnitude in the northern hemisphere.
- It is visible to the naked eye under very good viewing conditions.
- Like most globular clusters, the predominant elements within M92 are hydrogen and helium.
- Successive generations of stars cook up the heavier elements in their cores, which in astronomy are all considered metals.
- Globular clusters like M92 are thus considered to be ‘metal-poor’.
Read about James Webb Telescope: https://www.iasgyan.in/daily-current-affairs/james-webb-space-telescope
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