WEBVTT
Kind: captions
Language: en-US

00:00:02.034 --> 00:00:07.000
[Music]

00:00:07.000 --> 00:00:11.969
Newborn stars are found within
brilliant, colorful nebulae.

00:00:11.969 --> 00:00:15.008
[Music]

00:00:15.008 --> 00:00:20.723
However, star formation begins
in dark, dense clouds.

00:00:20.723 --> 00:00:23.000
[Music]

00:00:23.000 --> 00:00:30.846
Within one vast dark cloud, gravity collapses
thousands of individual dense clumps.

00:00:30.846 --> 00:00:33.647
[Music]

00:00:33.647 --> 00:00:40.377
The core of a massive dense clump will
compress and heat until it forms a protostar.

00:00:40.377 --> 00:00:43.408
[Music]

00:00:43.408 --> 00:00:48.423
A protostar grows as a disk of
gas and dust accretes onto it,

00:00:48.423 --> 00:00:54.407
and some of the accreting material
is ejected along twin opposing jets.

00:00:54.407 --> 00:00:58.000
[Music]

00:00:58.000 --> 00:01:04.453
While the star finishes its formation, planets
build up within the surrounding disk.

00:01:04.453 --> 00:01:09.000
[Music]

00:01:09.000 --> 00:01:14.638
A few hundred million years later, the
new solar system has assembled.

00:01:14.638 --> 00:01:18.000
[Music]

00:01:18.000 --> 00:01:26.000
Stars and planets form together, at
billions of sites across our galaxy.

00:01:26.000 --> 00:01:34.000
[Music]

