The daily rising and setting of Earth’s shadow is a beautiful sight anyone on the planet can view. It’s also an opportunity to witness the rapid changes that accompany sunset or sunrise, but at the opposite end of the sky. The post Uncovering Secrets of Earth's Shadow appeared first on Sky & Telescope.
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Magnetic “Spoon” Feeds Supermassive Black Hole
Astronomers have imaged the magnetic field along which gas flows to a galaxy’s central black hole. The post Magnetic "Spoon" Feeds Supermassive Black Hole appeared first on Sky & Telescope.
Read MoreMarch: Sirius in the Spotlight
Whether you’re just getting started in astronomy or simply looking to do some casual sky-watching, our monthly Sky Tour astronomy podcast provides an informative and entertaining 12-minute guided tour of the nighttime sky. Download the March episode to find and learn about Sirius, the brightest star in the night sky. The post March: Sirius in the Spotlight appeared first on Sky & Telescope.
Read MoreNo Signal from Cosmic Dawn
Four years after one experiment found tentative signs of the “cosmic dawn,” the era of the first stars, another experiment finds nothing. The post No Signal from Cosmic Dawn appeared first on Sky & Telescope.
Read MoreThese Two Black Hole Behemoths Will Merge in 10,000 Years
Astronomers have discovered a pair of supermassive black holes that whirl around each other every two years. The post These Two Black Hole Behemoths Will Merge in 10,000 Years appeared first on Sky & Telescope.
Read MoreThis Week’s Sky at a Glance, February 25 – March 5
As the winter Milky Way rides high, open star clusters near and far, and from compact to sparse, await your binoculars or telescope, At dawn catch the Venus-Mars pair, and try for the closer Mercury-Saturn pair lower down. The post This Week's Sky at a Glance, February 25 – March 5 appeared first on Sky & Telescope.
Read MoreBlack Hole Spins Crookedly
Astronomers have found a black hole leaning decidedly askew in its orbit with a star. The post Black Hole Spins Crookedly appeared first on Sky & Telescope.
Read MoreFast Radio Burst’s Unlikely Home Puzzles Astronomers
Astronomers have found a fast radio burst — presumably a flash from a young stellar remnant — amongst the ancient stars of a globular cluster, challenging ideas about what produces these enigmatic flashes. The post Fast Radio Burst's Unlikely Home Puzzles Astronomers appeared first on Sky & Telescope.
Read MoreThe Parker Solar Probe Captures Surprising Images of Venus Nightside
A visible glow from our sister planet’s nightside sheds new light on a 300-year-old observing enigma dubbed the “ashen light.” The post The Parker Solar Probe Captures Surprising Images of Venus Nightside appeared first on Sky & Telescope.
Read MoreProtostar Companions in Orion
How are stars born? One of the best places to test ideas about stellar birth is in Orion. The post Protostar Companions in Orion appeared first on Sky & Telescope.
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