Do Europa’s water vapor plumes not exist after all?
New observations from the Hubble Space Telescope suggest that Europa's water vapor plumes are less likely than previously thought. But they don't rule them out. The post Do Europa’…
Meet Mimosa, a star of the Southern Cross
Mimosa is the 2nd-brightest star in Crux, the Southern Cross. It's circumpolar - up all night - from much of the Southern Hemisphere. The post Meet Mimosa, a star of the Southern C…
Deneb is an incredibly distant star. But how do we know?
The star Deneb - part of the Summer Triangle - is one of the most distant stars you can see with your eye alone. But why don't we know its distance precisely? The post Deneb is an …
Lost in the Star Clouds — A Milky Way Odyssey
I share my "discovery" of a new Milky Way star cloud that's been staring at me for ages. The post Lost in the Star Clouds — A Milky Way Odyssey appeared first on Sky & Telescope.
An undersea volcano is erupting in the South Pacific
An undersea volcano began erupting in the Bismarck Sea off the coast of Papua New Guinea on May 8, and it is still going. Will the volcano birth a new island? The post An undersea …
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