The Planets: Inner Worlds | KCET
The Planets: Inner Worlds
Season 46, Episode 12
The rocky planets - Mercury, Venus, Earth and Mars - were born of similar material around the same time, yet only one supports life. Were Earth's neighbors always so extreme? Is there somewhere else in the solar system where life might flourish?
Full Episodes
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Nova
Nova
S46 E11: Back to the Moon
Season 46, Episode 11
Fifty years after humans first set foot on the Moon, new scientific discoveries are fueling excitement for a return to the lunar surface—this time, perhaps, to stay.
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Nova
Nova
S46 E12: The Planets - Inner Worlds
Season 46, Episode 12
The rocky planets - Mercury, Venus, Earth and Mars - were born of similar material around the same time, yet only one supports life. Were Earth's neighbors always so extreme? Is there somewhere else in the solar system where life might flourish?
-
Nova
Nova
S46 E13: The Planets - Mars
Season 46, Episode 13
Mars was once a blue water world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today. With so many necessary elements in place, did life ever form on Mars?
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Nova
Nova
S46 E14: The Planets - Jupiter
Season 46, Episode 14
Jupiter's massive gravitational force made it a wrecking ball when it barreled through the early solar system. But it also shaped life on Earth, delivering comets laden with water - and perhaps even the fateful asteroid that wiped out the dinosaurs.
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Nova
Nova
S46 E15: The Planets - Saturn
Season 46, Episode 15
NASA’s Cassini explores Saturn for 13 years. The probe captures stunning ring-moon interactions, but when it finds the ingredients for life on the moon Enceladus, a bittersweet decision is made.
Upcoming Airdates
Pluto and Beyond
Season 46, Episode 1
Join the mission as the New Horizons spacecraft attempts to fly by NASA's most distant target yet. Since it explored Pluto in 2015, New Horizons is zooming toward Ultima Thule, an object four billion miles from Earth.
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2019-08-18T12:00:00-07:00KCET-HD
The Planets: Ice Worlds
Season 46, Episode 16
In the far reaches of the solar system, Uranus and Neptune dazzle with unexpected rings, supersonic winds and dozens of moons. And NASA's New Horizons gets a stunning up-close view of Pluto before venturing deep into the Kuiper Belt.
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2019-08-18T14:00:00-07:00KCET-HD
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2019-08-18T17:00:00-07:00KCET-HD
Why Sharks Attack
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2019-08-25T14:00:00-07:00KCET-HD
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2019-08-25T17:00:00-07:00KCET-HD
Lethal Seas
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2019-09-01T15:00:00-07:00KCET-HD
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2019-09-01T18:00:00-07:00KCET-HD
Rise of the Superstorms
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2019-09-08T15:00:00-07:00KCET-HD
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2019-09-08T18:00:00-07:00KCET-HD
Treasures of the Earth: Gems
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2019-09-15T15:00:00-07:00KCET-HD
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2019-09-15T18:00:00-07:00KCET-HD
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