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.
* Gravity is a Force * Different Types of Orbit * Escape Velocity * Weightless Mass
A billion miles from home, running low on fuel, and almost out of time. After 13 years traversing the Saturn system, the spacecraft Cassini is plunging to a fiery death, becoming part of the very planet it has been exploring. As it embarks on its final assignment - a one-way trip into the heart of Saturn - Horizon celebrates the incredible achievements and discoveries of a mission that has changed the way we see the solar system. Strange new worlds with gigantic ice geysers, hidden underground oceans that could harbour life and a brand new moon coalescing in Saturn's magnificent rings. As the world says goodbye to the great explorer Cassini, Horizon will be there for with a ringside seat for its final moments.
Right now, we know there is water on the Moon. But how much water? Is water largely at the poles? These are Strategic Knowledge Gaps that scientists are working to fill in, and a Resource Prospector robot will be launched to the moon in the 2020's to look for the presence of water
S1E2 • Destination: Moon • 2016 • Astronomy
Experts aim to uncover what is hidden beneath Jupiter's violent storms. The story of how humans built machines that not only survived the perils of Jupiter, a massive and dangerous planet surrounded by a wreath of deadly radiation, but revealed its innermost secrets.
S1E2 • Mysteries of our Universe: Our Solar System • 2019 • Astronomy
For twenty years, NASA's Cassini spacecraft revealed the strange secrets of Saturn until it vaporized in its atmosphere in a blaze of glory. But today its legacy lives on, as fresh data from the probe helps scientists make brand-new discoveries.
S7E10 • How the Universe Works • 2019 • Astronomy
The latest discoveries suggest that we might be on the verge of discovering life beyond our planet, and scientists are investigating if earth's life began elsewhere in the universe, and whether we need to evolve to know for sure.
S7E8 • How the Universe Works • 2019 • Astronomy