Portal:Astronomy/Did you know/12


 * ... that the new Astronomy and Astrophysics Decadal Survey lays out a roadmap for exploring extrasolar planetary systems and investigating the nature of dark energy?
 * ... that the constellation of Microscopium can't be seen from locations affected by light pollution?
 * ... that the atmosphere of Triton produces a surface pressure only 1/70,000th of that on Earth?
 * ... that in May 2008, an amateur astronomer discovered an unusual supernova-like object in the galaxy NGC 300?
 * ... that the "Beethoven Burst" was a powerful gamma-ray burst which occurred on the birthday of Ludwig van Beethoven?