"The world is strange... but when you look at the details, you find out that the rules are very simple..."
"When a scientist gazes silently up at the sky..."
2011 • People
"... we had a lot of little games, like you would say at the dinner table..."
2011 • People
The rocky planets Mercury, Venus, Earth, and Mars were born at the same time from the same material - yet have lived radically different lives. What immense forces are at play?
1/5 • The Planets 2019 • 2019 • Astronomy
Phil starts the planet-by-planet tour of the solar system right here at home, Earth.
11 • Crash Course Astronomy • Astronomy
In the aftermath of a 8 – 20 solar mass star’s demise we find a weird little object known as a neutron star. Neutrons stars are incredibly dense, spin rapidly, and have very strong magnetic fields. Some of them we see as pulsars, flashing in brightness as they spin. Neutrons stars with the strongest magnetic fields are called magnetars, and are capable of colossal bursts of energy that can be detected over vast distances.
32 • Crash Course Astronomy • 2015 • Astronomy
Witness some of the most violent impacts in the universe, and meet the people protecting us from the fallout of these cosmic collisions.
S2E2 • Extreme Universe • Astronomy
An exploration of the dramatic fate of our future descendants, the technology they'll need to survive the end of this world billions of years from now and our options for colonizing and starting again on a new planet somewhere far from Earth.
S1E3 • Space's Deepest Secrets • 2016 • Astronomy
Witness the evolution of galaxies; from clouds of cold gas floating in the voids of space 13 billion years ago, to the magnificent spirals that fill our night.
S1E4 • How the Universe Works • 2010 • Astronomy
