See photos — some familiar and some rarely seen — from the Apollo 15 mission, which launched place 50 years ago today. The post Fifty Years Ago in Photos: Apollo 15 Astronauts Explore the Moon appeared first on Sky & Telescope.
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Metal-poor Stars Shed Light on the Origin of Gold
Explosions of massive stars might have produced gold and other rare heavy elements observed in metal-poor stars in our galaxy’s halo. The post Metal-poor Stars Shed Light on the Origin of Gold appeared first on Sky & Telescope.
Read MoreBright Nova Erupts in Cassiopeia
A new nova in Cassiopeia, discovered on March 18th, is bright enough to see in a small telescope. The post Bright Nova Erupts in Cassiopeia appeared first on Sky & Telescope.
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