Lucy Launches to Eight Asteroids
Why would this mission go out as far as Jupiter — but then not visit Jupiter? Lucy’s plan […]
astronomy
Palomar 6: Globular Star Cluster
Where did this big ball of stars come from? Palomar 6 is one of about 200 globular clusters […]
Earthshine Moon over Sicily
Why can we see the entire face of this Moon? When the Moon is in a crescent phase, […]
The Einstein Cross Gravitational Lens
Most galaxies have a single nucleus — does this galaxy have four? The strange answer leads astronomers to […]
The Moona Lisa
Only natural colors of the Moon in planet Earth’s sky appear in this creative visual presentation. Arranged as […]
NGC 289: Swirl in the Southern Sky
About 70 million light-years distant, gorgeous spiral galaxy NGC 289 is larger than our own Milky Way. Seen […]
NGC 7293: The Helix Nebula
A mere seven hundred light years from Earth, toward the constellation Aquarius, a sun-like star is dying. Its […]
NGC 7822: Cosmic Question Mark
It may look like a huge cosmic question mark, but the big question really is how does the […]
Fireball over Lake Louise
What makes a meteor a fireball? First of all, everyone agrees that a fireball is an exceptionally bright […]
50 Light years to 51 Pegasi
It’s only 50 light-years to 51 Pegasi. That star’s position is indicated in this snapshot from August, taken […]