Astronomers see the birth of planet for the first time

The observed PDS 70 star is 5.4 million years old and 1.25 wider than the sun.
By Dawn Geske | Jul 02, 2018
Astronomers for the first time have seen the birth of a giant planet during its development, according to a report by SyfyWire. While astronomers have seen young planets and stars during the birth phase, but never before have they seen a clear picture of a planet in flagrante delicto caught in the act of being born.

For background, the planet that was observed is a star called PDS 70 that is located approximately 370 light years away. The star is part of a group of young stars known as the Scorpius Centaurus Association. These stars are in the processing stage and are the closest known group in the galaxy.

The observed star is estimated at 5.4 million years old, which is considered relatively young. The star has approximately 0.76 times the mass of the sun but is a full 1.25 times wider. It shines with only one-third of the sun's brightness.

In 2002, it was observed to be surrounded by a disk material, which is a sign of young stars. This disk material uses small grains which collide and stick together. They eventually grow and become bigger and bigger, essentially forming the star into a protoplanet and then a new planet.


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