Star Clusters

Webb Sees Globular Clusters Forming in the Early Universe

Picture the Universe's ancient beginnings. In the vast darkness, light was emitted from a particular galaxy only 460 million years…

3 months ago

The Nearby Star Clusters Come from Only Three Places

Many astronomy-interested people know of the Hyades and the Pleiades. They're star clusters in the Taurus constellation. They're two out…

4 months ago

JWST Sees a Milky Way-Like Galaxy Coming Together in the Early Universe

The gigantic galaxies we see in the Universe today, including our own Milky Way galaxy, started out far smaller. Mergers…

8 months ago

Astronomers Have a New Trick to Work out the Age of Stars

Determining the age of a star is surprisingly tricky and has wide error bars. It's only inside star clusters that…

1 year ago

How Old is That Star? Ask a Computer

A new machine learning technique could make it much easier to estimate the age of stellar populations.

1 year ago

JWST Sees Merging Galaxies Releasing the Light of a Trillion Suns

If we want to know what it'll look like in about 4.5 billion years when our galaxy merges with Andromeda,…

1 year ago

Trading Spaces: How Swapping Stars Create Hot Jupiters

Star clusters tend to host more hot Jupiters than average, but why? A team of astronomers have proposed a new…

2 years ago

The Brightest Star in the Sky, Sirius, was Hiding a Cluster of Stars. Found by Gaia

Thanks to the efforts of an amateur astronomer, the star cluster that was recently revealed by Gaia mission is now…

7 years ago

Hubble Telescope Celebrates 25 Years in Space With Spectacular New Image

Images from space don’t get any prettier than this. A new image from the Hubble Space Telescope was released today…

9 years ago

Too WISE to be Fooled by Dust: Over 300 New Star Clusters Discovered

Brazilian astronomers have discovered some 300+ star clusters that were largely overlooked owing to sizable obscuration by dust.  The astronomers, from the Universidade…

10 years ago