At the center of our galaxy, in the immediate vicinity of its supermassive black hole, is a region wracked by powerful tidal forces and bathed in intense ultraviolet light and X-ray radiation. These harsh conditions, astronomers ...
Astronomy
Nov 28, 2017
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Ryo Ando, a graduate student of the University of Tokyo, and his colleagues have observed the galaxy NGC 253 and resolved its locations of star formation down to the scale of a molecular cloud, a star formation site with ...
Astronomy
Nov 6, 2017
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Sirius is not a single star at all, but a binary system of two stars. Polaris, the north star, is actually a system of three stars. And Castor, in the constellation of Gemini, actually consists of a whopping six stars. Current ...
Astronomy
Nov 1, 2017
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6
This spooky sight, imaged by the NASA/ESA Hubble Space Telescope, resembles fog lit by a streetlamp swirling around a curiously shaped hole – and there is some truth in that. While the 'fog' is dust and gas lit up by the ...
Astronomy
Oct 30, 2017
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15
Jupiter's moon Amalthea casts a shadow on the gas giant planet in this image captured by NASA's Juno spacecraft. The elongated shape of the shadow is a result of both the location of the moon with relation to Jupiter in this ...
Space Exploration
Oct 20, 2017
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15
(Phys.org)—A team of researchers from Germany, France and the U.S. has found a possible explanation for the onset of sudden rainstorms. In their paper published in the journal Physical Review Letters, the group describes ...
(Phys.org)—A team of researchers with Keio University in Japan has found evidence of a mid-sized black hole near the center of the Milky Way galaxy. In their paper published in the journal Nature Astronomy, the group describes ...
A mysterious chemical haze that left scores of people on the English coast with streaming eyes, sore throats and breathing problems has dissipated, but its cause remains a mystery, police and emergency services said Monday.
Environment
Aug 28, 2017
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19
When astronomers peer into the universe, what they see often exceeds the limits of human understanding. Such is the case with low-mass galaxies—galaxies a fraction of the size of our own Milky Way.
Astronomy
Aug 10, 2017
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Studies of molecular clouds have revealed that star formation usually occurs in a two-step process. First, supersonic flows compress the clouds into dense filaments light-years long, after which gravity collapses the densest ...
Astronomy
Aug 7, 2017
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