Our species has discovered a way to communicate through the dark, to transcend immense distances
Our species has discovered a way to communicate through the dark, to transcend immense distances
1989 • Astronomy
"You might have thought, as I did then, that our species would be on Mars before the century was over"
1989 • Astronomy
Carl Sagan talks about our future and the exploration of space
1989 • Astronomy
"That's home. That's us. On it, everyone you ever heard of, every human being who ever lived.."
1990 • Astronomy
How and when will the Universe end? Gravity and dark matter are poised to annihilate the Universe in a big crunch. Expansion and dark energy may tear it apart. Or, a phase transition could kill us tomorrow in a cosmic death bubble.
S3E2 • How the Universe Works • 2014 • Astronomy
Most major geological processes require millions of year to become noticeable. Meteor impacts are exceptions which can cause comparable changes in seconds.
S1E10 • How the Earth Was Made • 2009 • Astronomy
Neil deGrasse Tyson sets off on the Ship of the Imagination to chase a single comet through its million-year plunge toward Sol. Later, Tyson visits the birth-place of Sir Isaac Newton and retraces the unlikely friendship between Newton and brilliant polymath Edmond Halley. It was Halley's patience and generosity which allowed Newton to conquer his fear of isolation and find the courage to publish his masterwork, "Principia Mathematica" which launched a scientific revolution.
S1E3 • Cosmos: A Spacetime Odyssey • 2014 • Astronomy
If a massive asteroid collides with earth, it could end life on our planet as we know it; new discoveries and cutting-edge tech reveal just how close we are to apocalypse and what it would take for the world's leading space agencies to stop it.
S8E1 • How the Universe Works • 2020 • Astronomy
Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and how quickly its expanding also allows us to run the clock backwards 14 billion years to the way the universe began - with a bang.
42 • Crash Course Astronomy • 2015 • Astronomy
A voyage a decade in the making, the New Horizons probe has travelled to the end of our Solar System to reveal a world unlike any other, Pluto. Now, as it heads deep into the Kuiper Belt, those responsible for its magnificent journey share their fears, joy and hope for this piano-sized explorer.
5/6 • Space Probes • 2016 • Astronomy