Galaxy

From Space Wiki

A galaxy is a huge gravitational bound system of stars, interstellar gas and dust, plasma, and (possibly) unseen dark matter.

[edit] References

[edit] External links

• Galaxies, SEDS Messier pages
• An Atlas of The Universe
• Galaxies - Information and amateur observations
• The Oldest Galaxy Yet Found
• The Oldest Star found in the Galaxy
• Galaxies - discussed on BBC Radio 4's "In Our Time" programme