Powerful, influential figures exert a irresistible pull, gathering an entourage around them. It's a pattern that repeats on celestial levels. Our planet has the moon, but also a host of other artificial satellites that we've used to boost Earth's follower count. The sun has planets, moons, asteroids, and comets. But neither can compare to galaxies like our Milky Way, which not only hosts hundreds of billions of stars but also has additional satellites, entire dwarf galaxies that chill in our galaxy's neighborhood.
In a paper published this week in Nature Communications researchers provide an interesting tale about the fossilized remains of an meteorite that hit the Earth long before dinosaurs ever existed. They propose that it is the only known remnant of an ancient asteroid that collided with another asteroid deep in space.
Talk about a big bang. In the animation above, you can see a star exploding. Though the animation is an artist's interpretation of the event, it is based on real data collected by NASA's Kepler telescope, which has been scanning wide swaths of the sky looking for rare events like this one.