Seven Sisters
The Pleiades star cluster, also known as the Seven Sisters, is one of the most famous objects in the night…
The Pleiades star cluster, also known as the Seven Sisters, is one of the most famous objects in the night…
Giant bubbles of hot gas erupt from the core of the Milky Way galaxy in this artist’s concept. The galaxy’s…
The stars appear to fall from the sky during the Leonid meteor shower of 1833, as depicted in this contemporary…
The star system V664 Cassiopeia is leaving “bread crumbs” as it races through the galaxy: a trail of gas and…
Stellar nurseries, massive stars, and rippling clouds of gas highlight this multi-wavelength view of the Milky Way galaxy’s turbulent heart.…
The globular star cluster M22 sparkles brilliantly in these two views. The image at left shows the entire cluster, revealing…
The western evening sky features several bright stars and planets in late May. This view, on May 22, is roughly…
Saturn’s moon Dione stands in front of Saturn and its rings in this August 17 view from the Cassini spacecraft.…
A planet (right) orbits close to Alpha Centauri B, the second-largest star of the triple Alpha Centauri system, in this…
A young Jupiter-like planet orbits far from its star in this artist's concept. McDonald Observatory astronomers are looking for similar…