Collision Course

Thirty million years from now, a massive cloud of gas will collide with the Milky Way. Scientists are learning more about its origin.

© ScienceAtNASA

Sky Notes

Daily sky events and viewing aids to help you get the most out your observations.
See what is visible in the sky tonight»

©2014 Rob van Mackelenbergh

Astro 101

Learn the basics about our solar system through the Astro 101 section.
learn more about our solar system»

©NASA, ESA, GOODS Team, &d M. Giavalisco exists to educate, encourage and promote the hobby of amateur astronomy to people of all ages. It is the goal of this site to provide relevant information and resources to the amateur astronomer as an aid in their enjoyment of the night sky. It is a family-friendly, educational site and has been rated as a safe site for all ages.
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