Constellations in the Sky Tonight
The constellations in tonight’s sky host many familiar star patterns. For northern observers, summer is the best time of the year to see the constellations… Read More »Constellations in the Sky Tonight
NGC 6397: The Ancient Ara Globular Cluster
NGC 6397 (the Ara Globular Cluster) is a bright globular cluster located 7,800 light-years away in the southern constellation Ara. It is listed as Caldwell… Read More »NGC 6397: The Ancient Ara Globular Cluster
SN 1006: The Brightest Supernova in Recorded History
SN 1006 is a supernova remnant located 7,200 light-years away in the southern constellation Lupus (the Wolf). The supernova that produced it reached an apparent… Read More »SN 1006: The Brightest Supernova in Recorded History
Westerlund 1 (Ara Cluster): The Milky Way’s Young Titan
Westerlund 1 (Wd1) is a massive super star cluster located approximately 12,000 light years away in the southern constellation Ara (the Altar). It is the… Read More »Westerlund 1 (Ara Cluster): The Milky Way’s Young Titan
NGC 5882: The Ghost of Uranus in Lupus
NGC 5882 is a planetary nebula located 7,700 light years away in the southern constellation Lupus. With an apparent magnitude of 10.9 and an apparent… Read More »NGC 5882: The Ghost of Uranus in Lupus
NGC 5728: A Barred Spiral with an Active Heart
NGC 5728 is a barred spiral galaxy located 145.8 million light-years away in the constellation Libra. With an apparent magnitude of 13.40 and an apparent… Read More »NGC 5728: A Barred Spiral with an Active Heart
Cloverleaf Quasar: A Cosmic Mirage in the Early Universe
The Cloverleaf Quasar is a distant quasar whose light is split into four distinct images by gravitational lensing, creating a clover-shaped pattern. The quasar lies… Read More »Cloverleaf Quasar: A Cosmic Mirage in the Early Universe