Something that’s really exploded over the past twenty years is the number of exoplanets—planets outside our solar system orbiting distant stars and pulsars. Unlike discoveries of new comets and asteroids, which sometimes happen through ‘citizen science,’ exoplanets are discovered by astronomers dedicated to the task. In the 1970s, such planets were thought likely to exist,… Continue reading Exoplanets
P. L. TAVORMINA 
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