New evidence that all stars are born in pairs
Did our sun have a twin when it was born 4.5 billion years ago?
Did our sun have a twin when it was born 4.5 billion years ago?
Astronomy
Jun 14, 2017
40
5763
A new study conducted by a group of astrophysicists led by Dr K. Dasyra suggests that black hole jets can affect the star formation in galaxies by both dispersing and heating large amounts of gas over large areas. The result ...
Astronomy
Nov 12, 2016
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1830
The current theory of star formation has a problem: it cannot make big stars.
Astronomy
Sep 04, 2013
12
0
Astronomers have long held that water—two hydrogen atoms and an oxygen atom—was a relative latecomer to the universe. They believed that any element heavier than helium had to have been formed in the cores of stars and ...
Astronomy
May 13, 2015
4
178
ALMA opens another window to the universe in the 500 GHz frequency band. Astronomers successfully synthesized the distribution of atomic carbon around a planetary nebula NGC 6302 in test observations with the ALMA Band 8 ...
Astronomy
Sep 02, 2013
38
0
Disc galaxies like our own Milky Way, characterized by a flattened disc of stars and gas (often with a central bulge of material as well) have a wide range of masses, spatial extents, and stellar content. Nonetheless all ...
Astronomy
Jul 23, 2018
0
80
A hole at the heart of a stunning rose-like interstellar cloud has puzzled astronomers for decades. But new research, led by the University of Leeds, offers an explanation for the discrepancy between the size and age of the ...
Astronomy
Feb 13, 2018
3
272
Water is crucial for life, but how do you make water? Cooking up some H2O takes more than mixing hydrogen and oxygen. It requires the special conditions found deep within frigid molecular clouds, where dust shields against ...
Astronomy
Mar 09, 2018
8
446
Star formation, once thought to consist essentially of just the simple coalescence of material by gravity, actually occurs in a complex series of stages. As the gas and dust in giant molecular clouds come together into stars, ...
Astronomy
May 08, 2015
31
1591
(PhysOrg.com) -- A new study from scientists in the US has reported that organic compounds could be formed in proto-planetary disks, and could have seeded the development of life in our own and other planetary systems.