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Geodad, 28 dni temu do astronomy w A rare chance to see two exploding stars is happening in the southern sky

These never seem to happen in the northern hemisphere.

Or maybe they do, and there’s so much light pollution that they never bother to report on them.

Evil_Shrubbery, 28 dni temu

wiki/History_of_supernova_observation

Animation showing the sky position of supernovae discovered since 1885. Some recent survey contributions are highlighted in color.

https://lemmy.zip/api/v3/image_proxy?url=https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fen%2Fa%2Fac%2FSN_Discoveries_1885-2019.gif

remotelove, 4 miesiące temu do astronomy w Juno reveals dozens of lava lakes on Jupiter’s moon Io

Factorio players rejoice.

PixTupy, 4 miesiące temu do astronomy w Juno reveals dozens of lava lakes on Jupiter’s moon Io

I read lava cakes and was very confused for a second.

neuracnu, 4 miesiące temu do astronomy w Juno reveals dozens of lava lakes on Jupiter’s moon Io

I’d love to have been in the room when Galileo sent back its first images of Io back in the day. The collective “wtf am I looking at?” reaction would be priceless.

daisyKutter, 9 miesięcy temu do astronomy w Betelgeuse has a tiny companion star hidden in plain sight

Named Lydia?

Zachariah, 9 miesięcy temu do astronomy w Betelgeuse has a tiny companion star hidden in plain sight

After more than a century of speculation, data seem to confirm that Betelgeuse (the brightest star in the Orion constellation, shown here) has a much smaller star as an orbital companion.

…

Two independent studies found evidence of a star about the same mass as the sun, orbiting Betelgeuse about once every 2,100 days.