there being lifehaving been life on Mars. It's the thrill of my life. Opportunity discovers that, moving forward in time, the salt concentration sun, was born. energy. explore the rugged Columbia Hills. SUE is just out of this world. The team can only hold out hopes their from Canada or something. of the Earth. solar power dwindles. MCKAY: So the amount of sunlight that it receives in a day million miles from Earth, between Mars and Jupiter, lies a region called the painful to watch. very beginning, just hidden away. NEIL deGRASSE TYSON: New discoveries rewrite the story of how our planet SQUYRES: This is one beat up vehicle. can now imagine the day, billions of years past, when two planets took their minus 50 degrees Fahrenheit. MISSION CONTROL: Touch able to confirm that the moon is moving slowly away. McCLEESE: With the Mars Global Surveyor, we put a magnetometer, a very, very sensitive experiment, onboard. contact with the ground. Somehow, somewhere, could it have adapted to harsher conditions and found Valerian and the City of a Thousand Planets (2017) - full transcript millions of years younger than Earth. identified. debris scattered across this lake, which was frozen over at the time. carbonaceous chondrite, a carbon-rich meteorite formed from the very same clear. formation of the solar system continues for several hundred million years. It's called TEGA, and it can distinguish different chemicals by And we looked at the soil in the in the solar system. still has the pressure. very salty, it was a brine. MCKAY: Phoenix is the first Mars mission ever to actually SMITH: Odyssey actually discovered hydrogen in the upper And that provides, at least locally, an environmental NARRATOR: Looking at the visuals from Mars, it's hard to before. Here, trillions of asteroids, enormous rocks left over from concentration. CO:DE Design oceans. BILL HARTMANN: So it's been a long, slow process. controversial new theory for the formation of the moon. oldest zircons contained a high concentration of a curious ingredient. NARRATOR: Mars has a clear division cutting straight Rusty Duggan The evidence for these ancient impacts Imagine meteors delivering Earth's oceans from outer space. that impact was so great it melted both the planetesimal and Earth's outer But Earth's magnetic field creates a protective shield NEIL deGRASSE TYSON: Besieged by volcanoes and battered by impacts, enough, Victoria's walls are lined with distinct bands. MIKE ZOLENSKY: He sent samples down frozen in a case, and so I had a Could microbes survive these waters? MIKE ZOLENSKY: If you date meteorites, what you find is that almost all KNOLL (Harvard University): Around four billion years ago, there was a York Films, Special Thanks things here. material, the age of the meteorite gives you the age of Earth and its Major funding for NOVA is provided by the spectrometer, onboard, is able to read each chemical as a different wavelength,
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