Atlas V Arc of Light: Rocket launched with twin Radiation Belt Storm Probes sent to explore the Van Allen Belts that surround Earth. Astrophotographer Mike Killian took this photo from Cape Canaveral Air Force Station in Florida Aug.
This artist’s impression of the distant galaxy SMM shows large bright clouds a few hundred light-years in size, which are regions of active star formation. These “star factories” are similar in size to those in the Milky Way, but one
The “Black Widow” pulsar moves at a speed of KM/hr. A bow shock wave is the greenish crescent shape. The pressure behind the bow shock creates a second shock wave that sweeps the cloud of high-energy particles back from the pulsar to form the cocoon.