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Credit & Copyright: Robert Colombari
Explanation:
To the eye,
this
cosmic composition nicely balances the
Bubble Nebula at the lower left with open star cluster M52 above it and to the right.
The pair would be lopsided on other scales, though.
Embedded in a complex of
interstellar dust
and gas and blown by the winds from a single, massive
O-type star, the
Bubble Nebula, also known as NGC 7635, is a
mere 10 light-years wide.
On the other hand,
M52 is a rich open
cluster of around a thousand stars.
The cluster is about 25 light-years across.
Seen toward the northern boundary
of Cassiopeia, distance estimates
for the Bubble Nebula and associated cloud complex are around
11,000 light-years, while
star cluster M52
lies nearly 5,000 light-years away.
The wide telescopic field of view spans about two degrees on the sky
or four times the apparent size of the Full Moon.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: NGC 7635 - open cluster
Publications with words: NGC 7635 - open cluster
See also:
- APOD: 2025 April 28 B Gum 37 and the Southern Tadpoles
- Open Star Clusters M35 and NGC 2158
- APOD: 2025 February 25 B M41: The Little Beehive Star Cluster
- APOD: 2025 February 11 B The Spider and the Fly
- APOD: 2024 October 29 B NGC 602: Stars Versus Pillars from Webb
- NGC 7789: Caroline s Rose
- APOD: 2024 July 2 B NGC 602: Oyster Star Cluster