What's in the sky tonight?

Suggestions tailored for Winchester Find thousands more!
Quick Searches

Find deep sky objects for your location, just one click away.


Weather for Ashburn - °C °F


Latest astronomy news

Space.com

The Most Amazing Space Stories This Week!

Pluto has a splashy secret, a monster black hole shakes violently awake, Juno prepares for a deep dive and Britain's space future is questioned — it's Space.com's best news stories of the week.
Universe Today

What are the Different Masses of the Planets?

It is a well known fact that the planets of the Solar System vary considerably in terms of size. For instance, the planets of the inner Solar System are smaller and denser than the gas/ice giants of the outer Solar System. And in some cases, planets can actually be smaller than the largest...
Universe Today

A Star Is About To Go 2.5% The Speed Of Light Past A Black Hole

Since it was first discovered in 1974, astronomers have been dying to get a better look at the Supermassive Black Hole (SBH) at the center of our galaxy. Known as Sagittarius A*, scientists have only been able to gauge the position and mass of this SBH by measuring the effect it has on the stars...
Space.com

Morning Milky Way Shines Over Summer Triangle in Stunning Photo

Minutes before clouds gathered over the night sky, astrophotographer Matt Pollock caught this snapshot of the Milky Way on March 3, 2016 from Cherry Plain State Park in Petersburg, New York.
Universe Today

Spectacular Launch of Most Powerful Atlas Completes Constellation of Navy’s Advanced Tactical Comsats – Gallery

Today’s (June 24) spectacular launch of the most powerful version of the venerable Atlas V rocket from the sunshine state completes the orbital deployment of a constellation of advanced tactical communications satellites for the U.S. Navy. A United Launch Alliance (ULA) Atlas V rocket...
Universe Today

Astronomy Cast Ep. 418: Error 418 – I’m a Teapot!

Visit the Astronomy Cast Page to subscribe to the audio podcast! We record Astronomy Cast as a live Google+ Hangout on Air every Monday at 12:00 pm Pacific / 3:00 pm Eastern. You can watch here on Universe Today or from the Astronomy Cast Google+ page. The post Astronomy Cast Ep. 418: Error 418...