Too cool, part 18: Hubble turns 23

Twenty-three years ago today, the Hubble Space Telescope was launched into low-earth orbit (meaning about 555 km, or 345 mi, above the surface of the Earth.) Since that time, it has produced perhaps the largest body of work of any single telescope, and certainly some of the most detailed. And just recently, NASA released [...]

Too cool, part nine: A star is born

As wintertime drifts away here in the northern hemisphere, we’ll lose the opportunity to see the most recognizable constellation on earth in the universe by human standards still visible in the evening sky: Orion. Shown here, but technically not in its entirety (there are more stars making up the bow and such, out of [...]