Explainer: Light-years and units for the stars
"Space is Big. Really Big." The Hitchhiker's Guide to the Galaxy pretty much nailed space with those five words. And space is so really big that our earthly measures of distance struggle.
"Space is Big. Really Big." The Hitchhiker's Guide to the Galaxy pretty much nailed space with those five words. And space is so really big that our earthly measures of distance struggle.
Astronomy
Aug 21, 2013
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New, high-precision equipment orbiting Earth aboard the Hubble Space Telescope is now sending such rich data back to astronomers, some feel they are crossing the final frontier toward understanding galaxy evolution, says ...
Astronomy
Nov 17, 2011
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Astronomers have detected a highly collimated, bipolar jet from the so-called Red Square Nebula (RSN) surrounding the B[e]-type star MWC 922. The newly discovered jet could reveal more insights into the nature of the RSN ...
(Phys.org) —Back in 2004, German scientists discovered traces of supernova ejecta that had been deposited in the deep-sea ferromanganese crust of the pacific ocean. They dated the supernova event to 2.8 million years ago ...
A team of astronomers has discovered a rare pair of brown dwarfs that has the widest separation of any brown dwarf binary system found to date.
Astronomy
Feb 17, 2022
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The Herschel Space Observatory scanned the center of the galaxy in far-infrared and found a cool (in all senses of the word) twisting ring of rapidly orbiting gas clouds. The ring is estimated to have dimensions of 100 parsecs ...
Astronomy
Jun 1, 2011
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The galaxy ESO 300-16 looms over this image from the NASA/ESA Hubble Space Telescope. This galaxy, which lies 28.7 million light-years from Earth in the constellation Eridanus, is a ghostly assemblage of stars which resembles ...
Astronomy
Sep 5, 2023
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A very bright supernova has shown up NGC 1365, the galaxy also known as the Great Barred Spiral Galaxy, visible now for southern hemisphere observers. This already elegant galaxy lies about 56 million light-years away in ...
Astronomy
Nov 14, 2012
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