NASA’s Astronomy Picture of the Day Recognized for Decades of Outreach
NASA’s APOD has been honored by the International Astronomical Union for decades of outreach.
NASA’s APOD has been honored by the International Astronomical Union for decades of outreach.
A newly discovered supercluster of galaxies is so distant that astronomers say its light has been traveling for over twelve billion years to reach telescopes on Earth. But this cluster, named SPT2349 ?56 is gigantic, and so old that it is actually classified as a proto-cluster of galaxies, meaning it might be one of the …
In the decades-long search for extraterrestrial intelligence, there has never been confirmed evidence of an alien signal. There have, however, been a few tantalizing mysteries. Perhaps the greatest of these is known as the Wow Signal. Observed on 15 August 1977 by the Big Ear radio telescope at Ohio University, the signal was a strong, …
Another few Weeks of Observations Could Tell us if the Wow! Signal Repeats Read More »
Near the center of the Milky Way lies this star-studded globular cluster, called Terzan 9 in the constellation Sagittarius.
Pluto’s largest moon, Charon, started off as a beautiful, smooth red grape until someone came along, mostly peeled it, tried to smoosh it, then just gave up and walked away, leaving the poor moon to look like the absolute travesty that it is. Okay, so maybe that’s not exactly what happened, but Charon just looks …
Charon’s Red Cap at its North Pole? We Might Have an Answer Read More »