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|  Message 10033  |
|  Alan Ianson to All  |
|  Daily APOD Report  |
|  29 Nov 24 00:19:06  |
 
MSGID: 1:153/757.0 4cee0d03
TZUTC: -0800
CHRS: LATIN-1 2
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our
fascinating universe is featured, along with a brief explanation
written by a professional astronomer.
2024 November 29
Messier 4
Image Credit & Copyright: Steve Crouch
Explanation: Messier 4 can be found west of bright red-giant star
Antares, alpha star of the constellation Scorpius. M4 itself is only
just visible from dark sky locations, even though the globular cluster
of 100,000 stars or so is a mere 5,500 light-years away. Still, its
proximity to prying telescopic eyes makes it a prime target for
astronomical explorations. Recent studies have included Hubble
observations of M4's pulsating cepheid variable stars, cooling white
dwarf stars, and ancient, pulsar orbiting exoplanet PSR B1620-26 b.
This sharp image was captured with a small telescope on planet Earth.
At M4's estimated distance it spans about 50 light-years across the
core of the globular star cluster.
Tomorrow's picture: the climb
__________________________________________________________________
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
NASA Official: Amber Straughn Specific rights apply.
NASA Web Privacy Policy and Important Notices
A service of: ASD at NASA / GSFC,
NASA Science Activation
& Michigan Tech. U.
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