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Plait:
MERCURY, FOR EXAMPLE, IS EXTREMELY DENSE
AND HAS A VERY THIN CRUST. SO, IT'S POSSIBLE IT STARTED OFF
AS A BIGGER PLANET. AND THEN SOMETHING
HIT IT AT AN ANGLE, AND IT SHEARED OFF
THE LIGHTER-WEIGHT CRUST, LEAVING ONLY THE DENSE CORE
MERCURY, FOR EXAMPLE, IS EXTREMELY DENSE
AND HAS A VERY THIN CRUST. SO, IT'S POSSIBLE IT STARTED OFF
AS A BIGGER PLANET. AND THEN SOMETHING
HIT IT AT AN ANGLE, AND IT SHEARED OFF
THE LIGHTER-WEIGHT CRUST, LEAVING ONLY THE DENSE CORE
Full Transcript
00:00:01.000 --> 00:00:03.302
Plait:
MERCURY, FOR EXAMPLE,
00:00:03.335 --> 00:00:05.471
IS EXTREMELY DENSE
AND HAS A VERY THIN CRUST.
00:00:05.504 --> 00:00:08.675
SO, IT'S POSSIBLE IT STARTED OFF
AS A BIGGER PLANET.
00:00:08.675 --> 00:00:12.278
AND THEN SOMETHING
HIT IT AT AN ANGLE,
00:00:12.311 --> 00:00:15.114
AND IT SHEARED OFF
THE LIGHTER-WEIGHT CRUST,
00:00:15.147 --> 00:00:17.483
LEAVING ONLY THE DENSE CORE.
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Movie Summary
A users guide to the cosmos from the big bang to galaxies, stars, planets and moons. Where did it all come from and how does it all fit together. A primer for anyone who has ever looked up at the night sky and wondered.