News tagged with solar nebula

Scientists estimate solar nebula's lifetime

About 4.6 billion years ago, an enormous cloud of hydrogen gas and dust collapsed under its own weight, eventually flattening into a disk called the solar nebula. Most of this interstellar material contracted at the disk's ...

dateFeb 09, 2017 in Space Exploration
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How comets are born

Detailed analysis of data collected by Rosetta show that comets are the ancient leftovers of early Solar System formation, and not younger fragments resulting from subsequent collisions between other, larger bodies.

dateJul 28, 2016 in Space Exploration
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The minimum mass of a proto-solar system disk

Astronomers estimate that at the time the Solar system formed, its proto-planetary disk contained the equivalent of about twenty Jupiter-masses of gas and dust. This so-called "minimum mass solar nebula (MMSN)" is derived ...

dateOct 19, 2015 in Astronomy
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