A new study examines the formation of rocky worlds from dust particles containing ice and carbon, increasing the possibility that our own Milky Way galaxy could be filled with aquatic planets similar to Earth. Plus, a simulation of the Milky Way-Andromeda collision and an overview of asteroid Apophis.
A new super-Earth has been discovered that has an extremely hot surface temperature, and this planet could be a boon for studying the atmospheres of rocky exoplanets. Plus, our daily news roundup, climate change, and how a petrified tree on Earth might help us hunt for fossils on Mars.
Issues with calculating the expansion rate of the universe have led to differences in the results, depending on the method used. A pair of physicists have proposed a new type of dark energy to resolve the conflict. Plus, volcanic ash and volcanoes, the composition of the Sun, more exoplanets, and Mars’ moons.
Join us for this week’s Rocket Roundup with host Annie Wilson as we look back at the launches that happened over the last week, including international launches from China, India, and Russia. Plus, we look back at Beresheet, the ill-fated lander that launched on February 22, 2019.
Just how were the Trojan asteroids in orbit with Jupiter discovered? And how were they named? We take a look back at these objects as we get closer to the launch of the Lucy spacecraft. Plus, a cluster of galaxies, a meteoroid explosion at Jupiter, seafloor microbes, wildfires, and an interview with Fraser Cain, publisher of Universe Today and co-host of Astronomy Cast.
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