The Winter Hexagon hosts the Moon. Then Castor and Pollux nail the Moon. Then the Little and Big Dog stars arc gracefully away from it. Meanwhile in early dawn, Mercury, Venus and Mars continue as a triangle low in the southeast. The post This Week's Sky at a Glance, February 11 – 19 appeared first on Sky & Telescope.
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Things pointed at space
Solar Tsunami Hit Earth 9,200 Years Ago
Scientists examining ancient ice cores have found radioactive evidence of an extreme solar storm that took place in 7,176 BCE. The post Solar Tsunami Hit Earth 9,200 Years Ago appeared first on Sky & Telescope.
Read MoreNew Planet Discovered Around Proxima Centauri, Star Nearest the Sun
A new instrument on a powerful telescope has enabled astronomers to discover another planet around our nearest stellar neighbor. The post New Planet Discovered Around Proxima Centauri, Star Nearest the Sun appeared first on Sky & Telescope.
Read MoreSpace Storm Knocks Out Latest Batch of Starlink Satellites
A minor space storm took down much of the latest Starlink batch shortly after launch. The post Space Storm Knocks Out Latest Batch of Starlink Satellites appeared first on Sky & Telescope.
Read MoreMeteorite Evidence Suggests Earth’s Water Was Here Before Earth Was
Where did Earth’s water come from? One of the oldest meteorites on Earth is adding new pieces to an old puzzle. The post Meteorite Evidence Suggests Earth’s Water Was Here Before Earth Was appeared first on Sky & Telescope.
Read MoreThe Comfort and Delight of Celestial “Reruns”
Seeing the same target again has the comfort of a beloved rerun, while offering the opportunity for new discoveries. The post The Comfort and Delight of Celestial “Reruns” appeared first on Sky & Telescope.
Read MoreAstronomers Watch the Making of a Super-Earth
Gaseous mini-Neptunes may become rocky super-Earths when they lose their atmospheres. Now, astronomers have caught that process in action. The post Astronomers Watch the Making of a Super-Earth appeared first on Sky & Telescope.
Read MoreCitizen Scientists Find 1,000+ Asteroids Photobombing Hubble Images
The combined power of citizen science and machine learning have led to the discovery of more than 1,000 new asteroids in archival images taken by the Hubble Space Telescope. The post Citizen Scientists Find 1,000+ Asteroids Photobombing Hubble Images appeared first on Sky & Telescope.
Read MoreA Star Where It Shouldn’t Be
There’s a massive star in our galaxy’s halo, far away from the usual star-forming haunts. How did it get there? The post A Star Where It Shouldn't Be appeared first on Sky & Telescope.
Read MoreThis Week’s Sky at a Glance, February 4 – 12
This is the part of the month when the evening Moon is at its telescopic best in many skywatchers’ opinions, as the terminator sweeps across the middle of the Moon’s disk. And in February, the Moon at these phases rides especially high. Jupiter sinks low in evening twilight, and a triangle of planets displays in early dawn. The post This Week's Sky at a Glance, February 4 – 12 appeared first on Sky & Telescope.
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