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Credit & Copyright: Tony Hallas
Explanation:
To the eye,
this cosmic composition
nicely balances the
Bubble Nebula at the upper right with open star cluster M52.
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 (aka 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.
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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: Bubble nebula - open cluster
Publications with words: Bubble nebula - open cluster
See also:
- Open Star Clusters M35 and NGC 2158
- APOD: 2025 February 25 Á M41: The Little Beehive Star Cluster
- APOD: 2025 February 11 Á The Spider and the Fly
- APOD: 2024 October 30 Á NGC 7635: The Bubble Nebula
- APOD: 2024 October 29 Á NGC 602: Stars Versus Pillars from Webb
- NGC 7789: Caroline s Rose
- APOD: 2024 July 2 Á NGC 602: Oyster Star Cluster