10 principais calsky.com concorrentes

heavens-above.com

satellite predictions and other astronomical data customised for your location.

astro.wisc.edu

Helpful Links The Astronomy Major Experience As an Astronomy major, the world becomes your school and your workplace. Whether it is through remote observing facilities in the Department or traveling to WIYN (Kitt Peak in Arizona), SALT (Sutherland, South Africa) or other observatories, our majors have the possibility of a broad variety of observing experiences …

skyandtelescope.com

In the news this week: Globular clusters have the detailed scoop on our galaxy's past, and a "heartbeat" black hole binary in the Milky Way has gone mysteriously dim.

universalworkshop.com

Astronomy for the young, or for any learner. Out under the evening sky of each month; and then "more explanations", all the way to the edge of the universe.

astronomy.com

Astronomers have detected a radio glow caused by shockwaves in the gigantic filaments between galaxy clusters in the cosmic web, which pervades the universe.