1 min read
Artist’s View from a Planet in a Compact Galaxy
This illustration from a hypothetical planet in a distant ultradense galaxy reveals a sky packed with thousands of stars. There are 200 times more stars in this sky than in our Earth's nighttime sky. The ultradense galaxies existed about 11 billion years ago. They are a fraction of the size of today's galaxies but contain the same number of stars.
- Release DateApril 29, 2008
- Science ReleaseCompact Galaxies in Early Universe Pack a Big Punch
- Credits
Related Images & Videos
Hubble Studies Compact Galaxies Loaded with Stars
These images taken by NASA's Hubble Space Telescope show nine compact, ultradense galaxies as they appeared 11 billion years ago. The galaxies are only 5,000 light-years across and yet are 200 billion times more massive than the Sun. They are a fraction of the size of today's...
Comparative Sizes of Milky Way and Compact Galaxy
This illustration shows the comparative sizes of our Milky Way Galaxy and an ultracompact galaxy, which existed in the early universe. Although the compact galaxy is only a fraction of the size of our Milky Way, it contains the same number of stars. The small, dense galaxy could...
Share
Details
Last Updated
Feb 17, 2025
Contact
Media
Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov
