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Intro Astronomy 2017. Class 12: Exoplanets, the Sun, and Solar Physics

Lecture 12 of Dr. Bruce Betts' 2017 online Introductory Planetary Science and Astronomy course covers exoplanets (planets around other stars) including discovery techniques, current knowledge and characteristics, and multi-planet systems. Lecture 12 also covers the Sun and solar physics. Recorded at California State University Dominguez Hills.


Intro Astronomy 2017. Class 11: The Outer Solar System

Lecture 11 of Dr. Bruce Betts' 2017 online Introductory Planetary Science and Astronomy course covers the heliosphere, Oort Cloud, light pressure, solar sails, solar effects, comets, origin of solar system, and the laws of planetary motion. Recorded at California State University Dominguez Hills.


Intro Astronomy 2017. Class 10: Neptune and Trans Neptunian Objects including Pluto and KBOs

Lecture 10 of Dr. Bruce Betts' 2017 online Introductory Planetary Science and Astronomy course covers the Neptune System, Transneptunian Objects (TNOs) including the Pluto System and Kuiper Belt Objects, and also covers the solar wind, aurorae, and the heliosphere. Recorded at California State University Dominguez Hills.


Intro Astronomy 2017. Class 9: Saturn and Uranus

Lecture 9 of Dr. Bruce Betts' 2017 online Introductory Planetary Science and Astronomy course covers the Saturnian System including atmosphere, interior, rings, and moons and introduces the Uranian system. Recorded at California State University Dominguez Hills.


Bill Nye's Open Letter to President Donald Trump

Bill Nye, CEO of The Planetary Society, and our Board of Directors present five recommendations to the Trump administration as it contemplates the future of the U.S. space program.


Intro Astronomy 2017. Class 8: Jupiter and Saturn

Lecture 8 of Dr. Bruce Betts' 2017 online Introductory Planetary Science and Astronomy course covers Jupiter, the Galilean Satellites (Io, Europa, Ganymede, Callisto), and introduces the Saturnian System. Recorded at California State University Dominguez Hills.


Intro Astronomy 2017. Class 7: Asteroids and the Asteroid Threat

Lecture 7 of Dr. Bruce Betts' 2017 online Introductory Planetary Science and Astronomy course covers asteroids and the near Earth asteroid threat to Earth (including statistics, past impacts, and information on the Chelyabinsk fireball). Recorded at California State University Dominguez Hills.


Tim Russ at the Griffith Observatory - The Planetary Post

In this update from The Planetary Post with Robert Picardo: star parties are magical events where one can observe the wonders of our night sky...and have a surprise Star Trek: Voyager reunion. Also, news about seven Earth-sized planets orbiting a red dwarf star, plus learn how you can help prevent an asteroid impact disaster.


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