Social media was buzzing on Monday with photos and accounts of the red sun over the UK. British weather forecasters said it was dust from the Sahara, raised via Hurricane Ophelia.
Red sun over UK on October 16, 2017 by Colin Cradock, via BBC.
Dwarf planet Haumea – which orbits our sun in Pluto’s realm of the solar system – has become the first trans-Neptunian object known to be encircled by a ring.
Artist concept of Haumea, with the correct proportions of the main body and the ring. The ring is at a distance of 2287 kilometers from the center of the main body and is darker than the surface of the dwarf planet itself. Image via Institute of Astrophysics of Andalusia.
Details on the annual Orionid meteor shower. How and when to watch. In 2017, the peak morning is probably October 21. But start watching now, before dawn!
Joe Randall created this composite shot of the Orionid meteor shower from images taken on October 21, 2014. Thanks, Joe!
Hundreds of species hitched a ride on debris from the 2011 Japanese tsunami for a 4,400-mile journey across the Pacific Ocean.
An Asian amur sea star found on the Oregon coast. Image via Oregon State University.
A night sky timelapse by Jack Fusco featuring frozen lakes, fog inversions, and of course the northern lights!
A new study shows how large volcanic eruptions cool tropical Africa, spawning El Niño events.
Mount Pinatubo eruption 1991. Image via Volquake.weebly.
“I would have thought these would be once-a-millennium events, if even that,” said a researcher. Instead, the storms on Titan happen about once a Saturn-year, creating massive floods in an otherwise-desert terrain.
Titan, Saturn’s largest moon, behind the planet’s rings. The much smaller moon Epimetheus is visible in the foreground. Image via NASA/JPL/Space Science Institute/UCLANewsroom.
Photographer John Nelson used NASA’s SpotTheStation website to learn when the International Space Station would make a high pass in his sky. This image is the result.
Photo by John Nelson
Astronomers use parallax to directly measure the distance to a star-forming region on the opposite side of our Milky Way galaxy, nearly doubling the previous distance record.
Astronomers directly measured the distance to a region on the far side of our Milky Way Galaxy, past the Galaxy's center.
Credit: Bill Saxton, NRAO/AUI/NSF; Robert Hurt, NASA.