An otherwise faint and distant periodic comet underwent a bright outburst at the end of last month. Now it's visible in amateur telescopes at nightfall. The post Comet 1 Blows Its Top . appeared first on Sky & Telescope.
Infographic comparing the orbit of Proxima b with the same region of our solar system. Proxima Centauri is a smaller and cooler star than our sun. That’s why its planet orbits much closer than Mercury does to our sun
In 2015 gained fame as the most luminous supernova ever discovered. Almost a year later and against all odds, the supernova has rebrightened. The post The Resurgence of the Brightest Supernova appeared first on Sky & Telescope.
Messier 9 The globular star cluster Messier 9 has over stars within a diameter of about 90 light years. It is light years from Earth, near the central bulge of our Milky Way galaxy in the constellation of Sagittarius.
NGC 1333 is a star cluster populated with many young stars that are less than 2 million years old, a blink of an eye in astronomical terms for stars like the Sun expected to burn for billions of years.
In this image of PSR (about light-years from Earth), X-rays from NASA's Chandra in gold are seen along with infrared data from NASA's Wide-field Infrared Survey Explorer (WISE) telescope in red, green and blue.