This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe.
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Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?"
Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye.
This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe.
In this episode of Crash Course Astronomy, Phil takes you through the cause and name of the Moon's phases.
Today Phil explains how telescopes work and offers up some astronomical shopping advice.
The birth of our Solar System was both violent and chaotic. As planets formed around our Sun, gravity and luck determined their fate: some are tossed into the Sun, others thrown into interstellar space, never to return. It is survival of the fittest, on an interplanetary scale.
2017 • Astronomy
Exploring the real-life Death Stars in the cosmos that could snuff out Earth without much effort; the science of the destructive power behind six of the deadliest star; vampire stars; supernovas; rogue stars.
S5E4 • How the Universe Works • 2017 • Astronomy
Mars One plans one-way missions to Mars; the goal is not simply to explore, but to colonize the red planet. A one-way trip saves billions and eliminates the risk of a return voyage. But can the crew survive in such utter isolation? Some candidates for the mission reflect on this challenge.
S1E5 • Destination Mars • 2015 • Astronomy
When Apollo astronaut Gene Cernan stepped on the Moon in December 1972 he left his footprints and his daughter's initials in the lunar dust. Only now, over forty years later, is he ready to share his epic but deeply personal story of fulfillment, love and loss. Cernan's burning ambition carried him from a quiet Chicago suburb to the spectacular and hazardous environment of space, and ultimately, to the Moon. Five years in the making, The Last Man on the Moon unveils a wealth of rare archive material, and takes Cernan back to the launch pads of Cape Kennedy, to Arlington National Cemetery and to his Texas ranch, where he finds respite from a past that refuses to let him go.
2014 • Astronomy
Astronaut Mike Massimino explores the dwarf planet Pluto, a tiny frozen world surrounded in secrets; using the latest science, he investigates the possibility of life in its mysterious ocean.
S1E6 • The Planets (US) • 2017 • Astronomy
Everything you're about to see here seems impossible and insane, beyond science fiction. Yet it's all true.