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Could Mars Have a Ring Around It One Day?

Season 51 Episode 13 | 2m 16s

Phobos, one of Mars' moons, has an uncertain origin, but its surface grooves show that tidal forces are pulling it apart. In time, Mars' gravity will shatter it entirely, creating a ring of debris around the planet.

National Corporate funding for NOVA is provided by Viking Cruises. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
Extras
Eliza faces a conflict of interests when looking into the personal life of Commissioner Fitzroy.
Eliza explores the cut-throat world of Victorian theater.
A hunger strike against solitary confinement at Pelican Bay prison became a massive feat of unity.
Eliza’s life is turned upside down when she finds herself dragged into a missing persons case.
Great Migrations explores how a series of Black migrations have shaped America.
Few Jews had access to weapons in the Warsaw Ghetto, but they resisted nonetheless.
Kovner wrote a Manifesto, the first published call for Jews to fight back.
During the Holocaust Jews did not go to their deaths as sheep to the slaughter; they fought back.
The Warsaw Ghetto Uprising was the first armed battle against the Germans.
Many groups of Jews escaped the ghettos to fight in the forests, denying these areas to Germans.
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