58: The Birth of Our Milky Way Galaxy
Astronomers have opened a new window on the birth of the Milky Way finding the galaxy we have today was formed out of the collision of two major components ten billion years ago.
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SpaceTime 20190809 Series 22 Episode 58
*The birth of our Milky Way galaxy
Astronomers have opened a new window on the birth of the Milky Way finding the galaxy we have today was formed out of the collision of two major components ten billion years ago.
*LightSail-2 successfully demonstrates solar sail space flight
After years of computer simulations and countless ground tests -- the Planetary Society’s crowdfunded LightSail 2 spacecraft has successfully demonstrated spaceflight by light -- raising its orbit solely on the power of sunlight.
*Skywatch August
The best known meteor shower of the year, the Perseids, are back. But...this year's shower will have to contend with a bright Moon on the peak nights. Still, you could see a dozen or more meteors per hour, including the occasional very bright fireball.
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