Astronomers have discovered a second giant polygonal weather pattern on Saturn, this time a ten-sided structure, or decagon, around the planet’s south pole. The finding, led by Agustín Sánchez-Lavega
August features a major celestial event: the Perseids meteor shower, which peaks on the night of August 12 into the early morning of August 13. Visible in the northern hemisphere and parts of the sout
China’s classified Shijian-31 satellite, launched on June 16 aboard a Long March 3B from Xichang, is operating in an unusual Molniya-type orbit that appears designed to give it repeated, wide-ranging