Backyard stargazers get a monthly guide to the northern hemisphere’s skywatching events with “Tonight’s Sky.” In November, the Leonid meteors light the night. The Andromeda Galaxy displays its arms and bright nucleus. And Saturn and Venus return to the eastern horizon. “Tonight’s Sky” is produced by HubbleSite.org, online home of the Hubble Space Telescope. This is a recurring show, and you can find more episodes — and other astronomy videos — at HubbleSite.org.... Read More إقرأ المزيد | Share it now!

An enormous star is on the lam, fleeing its home at a quarter of a million miles per hour. The star, 90 times as massive as the Sun, may have traveled 375 light years from its original locale, the giant star cluster R136 in the 30 Doradus Nebula. How did it get away? A Hubble astrophysicist explores the discovery in the ongoing series, “Hubble’s Universe Unfiltered.” ... Read More إقرأ المزيد | Share it now!

Astronomers use Hubble images of the giant star cluster Omega Centauri to predict where the stars will be in a decade or more. The cluster’s 10 million stars, among the first stars to form in the universe, are in constant motion. Studying their movements helps scientists to understand the formation of the universe. ... Read More إقرأ المزيد | Share it now!