Hi...Stuart with the Show Notes for Series 19 Episode 47
*Ancient supernovae affected life on Earth
Two ancient supernovae which erupted within 300 light years of Earth likely exposed biology on our planet to a long-lasting cosmic radiation. The findings are based on new computer simulations of the impact the two exploding stars had on surrounding space.
*Solving the mystery of the Martian moons
Astronomers may have finally solved the mystery of how the two Martian moons -- Phobos and Deimos -- were formed. Two separate and independent studies have both concluded that the moons were formed by collision events early in the red planet’s history.
*Newly discovered planet has three Suns
If you thought Luke Skywalker’s home planet, Tatooine, was a strange world with its two Suns in the sky, imagine a planet where you’d either experience constant daylight or enjoy triple sunrises and sunsets every day. This isn’t the opening scene for some future episode of Star Wars but rather the vist