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This week on Ether Game, we hob-nobbed with the rich and famous! Browse our playlist of classical music featuring celebrities.

Here’s a joke for astronomy buffs: what’s a black hole’s favorite meal? Spaghettification! Of course, the joke only makes sense if you know what spaghettification means. This A Moment of Science explains that punchline.

The Earth needed a number of things to become habitable. First of all, it needed to be close to a star, but not too close. It also needed water, a rocky surface and atmosphere. Most important of all, however, it needed a magnetic field.

When a star burns through most of its nuclear material, it can explode in a bright supernove and leave behind a dense core. If that core is massive enough, it'll become a neutron star.