If a solar system is a family, then some planets leave home early whether they want to or not. Once they've left the gravitational embrace of their family, they're pretty much destined to drift through interstellar space ...
Astronomy
Oct 2, 2020
9
744
The nebula known as W51 is one of the most active star-forming regions in the Milky Way galaxy. First identified in 1958 by radio telescopes, it makes a rich cosmic tapestry in this image from NASA's recently retired Spitzer ...
Astronomy
Aug 26, 2020
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259
With the Cherenkov Telescope Array (CTA) that is currently under construction, researchers hope to observe highly energetic gamma rays that could lead to the discovery of new objects in and outside of our galaxy and even ...
Astronomy
Aug 24, 2020
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467
The debate over the origins and molecular structure of 'Oumuamua continued today with an announcement in The Astrophysical Journal Letters that despite earlier promising claims, the interstellar object is not made of molecular ...
Astronomy
Aug 17, 2020
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5076
As Carl Sagan famously said, "We're made of star stuff"—but how do stars distribute their essential "stuff" for life into space? NASA's telescope on an airplane, SOFIA, is finding some answers by watching pulsating stars ...
Astronomy
Aug 6, 2020
0
8
Scientists have developed a new prediction of the shape of the bubble surrounding our solar system using a model developed with data from NASA missions.
Astronomy
Aug 5, 2020
1
416
For the first time, a spacecraft has sent back pictures of the sky from so far away that some stars appear to be in different positions than we'd see from Earth.
Astronomy
Jun 12, 2020
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510
The aliens came on Oct. 19, 2017.
Astronomy
Jun 3, 2020
10
2060
A galactic visitor entered our solar system last year—interstellar comet 2I/Borisov. When astronomers pointed the Atacama Large Millimeter/submillimeter Array (ALMA) toward the comet on 15 and 16 December 2019, for the ...
Astronomy
Apr 20, 2020
2
4251
Since its discovery in 2017, an air of mystery has surrounded the first known interstellar object to visit our solar system, an elongated, cigar-shaped body named 'Oumuamua (Hawaiian for "a messenger from afar arriving first").
Astronomy
Apr 13, 2020
16
1353
