Music of a pulsing star reveals its inner structure.
Nature looks inside pulsing stars – not pulsars, but a group called “δ Scuti stars” – that flicker in a regular enough pattern that astronomers […]
Nature looks inside pulsing stars – not pulsars, but a group called “δ Scuti stars” – that flicker in a regular enough pattern that astronomers […]
Click to embiggen Ja’far ibn Muḥammad Abū Ma’shar wrote a book – and published it in Venice. It was the place to be, and to […]
Click to embiggen Astronomers are marking the 30th anniversary of the Hubble Space Telescope with a “ portrait of a firestorm of starbirth in a […]
SONG: “In the Sounding Deep”. ARTIST: grant. SOURCE: Scientific American, April 2020, “Undersea Telescopes Scan the Sky from Below,” as used in the post “Telescopes […]
Scientific American has some suggestions for your self-isolation. There are a few ways you can help researchers out without ever leaving home: “I think where […]
Scientific American has more on how some astronomers are using the ocean itself to scan the skies: Suspended near the bottom of the Mediterranean Sea […]
Science News reports that astronomers have found the dark edge of the Milky Way – the unlit mass of dark matter spinning beyond the bright […]
Click to embiggen From 1675 until his death in 1719, John Flamsteed worked at the newly built Greenwich Observatory, charting the stars in the sky. […]
Science News checks back on the big star that suddenly went dim (as regular readers here will remember) a couple of months ago, prompting some […]
Scientific American introduces us to a a couple of black holes named Spikey: In 2017 astrophysicists Daniel D’Orazio and Rosanne Di Stefano detailed how a […]
SONG: “Under Orion’s Arms”. ARTIST: grant. SOURCE: SPACE.com, 3 January 2020, “Will Bright Star Betelgeuse Finally Explode? A Look at the Dimming Red Giant in […]
Something’s going on up there. SPACE.com actually says it’s a good idea to watch the skies “just in case” Betelgeuse is about to blow up: […]
LiveScience was among the outlets breathlessly describing our close encounter with a giant speeding space-rock that took us all by surprise: Ranging in size from […]
Click to embiggen slightly Galileo drew pictures of the moon – pictures that included imperfections on the surface. The moon, he observed, had texture. Hills […]
Click to embiggen An image of the summer sky (in the Northern Hemisphere) by William Peck, F.R.A.S., from his book, The constellations and how to […]
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