Tag: open cluster

Top 24 Deep Space Pictures of 2011

By Phil Plait | December 14, 2011 5:30 am
int_catseyehalo
eso_orion
herschel_ic5146
herschel_xmm_m31
hst_arp273
hst_hr8799
hst_iras13208-6020
hst_m15_600px
hst_m43
hst_m51_nicmos
hst_ngc2841_milquetoasty
hst_snr0509
hst_ugc12158_mwtwin
hst_voorwerp
lkca-15-b
ntt_ngc2100
pandoracluster
spitzer_rcw120
swift_grb110328a
titlepage2
tycho
wise_circinus
wise_coolestbd
wise_lambdaori
wise_zetaoph

CATEGORIZED UNDER: Astronomy, Cool stuff, Pretty pictures

A cluster's masquerade

By Phil Plait | September 8, 2011 6:40 am

When I first saw this picture of NGC 2100, I thought it was a globular cluster. But I was wrong. That happens sometimes. Still, it’s worth it to see such a magnificent photo:

Yegads! What a shot! [Click to enstellarnate.]

Globular clusters are tightly packed collections of thousands of stars in a roughly spherical shape (hence their name), and are generally very old. But upon second glance, the stars of NGC 2100 in this image didn’t look quite right to me. There didn’t appear to be enough, for one thing, and though they’re highly concentrated in the center, the distribution around the core seemed off somehow.

Turns out that’s correct. Read More

CATEGORIZED UNDER: Astronomy, Pretty pictures
NEW ON DISCOVER
OPEN
CITIZEN SCIENCE
ADVERTISEMENT

Discover's Newsletter

Sign up to get the latest science news delivered weekly right to your inbox!

ADVERTISEMENT

See More

ADVERTISEMENT
Collapse bottom bar
+

Login to your Account

X
E-mail address:
Password:
Remember me
Forgot your password?
No problem. Click here to have it e-mailed to you.

Not Registered Yet?

Register now for FREE. Registration only takes a few minutes to complete. Register now »