These great hollow globes of artificial super-metals, and artificial transparent adamant, ranged in size from the earliest and smallest structures, which were no bigger than a very small asteroid, to spheres considerably larger than the Earth. (Olaf Stapledon, STAR MAKER)
Tuesday, February 28, 2017
Clouds in the Coffee
Today's Astronomy Picture of the Day is an astounding image from the Juno Orbiter. The first of many to appear here, I'm sure!
Monday, February 27, 2017
Hubble vs. Einstein
Today's Astronomy Picture of the Day of a Einstein Ring calls into question the Hubble Constant. I love a good cosmic mystery!
Sunday, February 26, 2017
Cell Tower
Today's Astronomy Picture of the Day brings us a supercell over Montana. There's an alien mothership in there somewhere, I just know it!
Saturday, February 25, 2017
Survey
Today's Astronomy Picture of the Day stretches from horizon to horizon and includes all the major planets. "Mouseover" the image for a guide and click on the image to get to the other half of the way.
Friday, February 24, 2017
Hail Hydra
Today's Astronomy Picture of the Day brings us NGC 3621, a beautiful spiral galaxy in the southern constellation of Hydra.
Thursday, February 23, 2017
TRAPPIST-1
Today's Astronomy Picture of the Day is artwork depicting the seven Earth-sized rocky worlds in the system of TRAPPIST-1.
Wednesday, February 22, 2017
Shepherd at Work
Today's Astronomy Picture of the Day is a Cassini Orbiter image of Daphnis making waves in the rings of Saturn. Spooky action! Newtonian fun!
Tuesday, February 21, 2017
Another Quiet Night
Today's Astronomy Picture of the Day is a short video of a quiet night at Las Campanas Observatory.
Monday, February 20, 2017
Sunday, February 19, 2017
Saturday, February 18, 2017
Friday, February 17, 2017
Atoll Galaxy
Today's Astronomy Picture of the Day shows polar ring galaxy NGC 660. Ask not who the galaxy atolls, it atolls for you.
Thursday, February 16, 2017
Wednesday, February 15, 2017
Something Rotten
Today's Astronomy Picture of the Day shows the Calabash Nebula (or the Rotten Egg Nebula!), OH231.8+4.2.
Tuesday, February 14, 2017
Rose
Today's Astronomy Picture of the Day has always been one of my favorite sights in the sky: The Rosette Nebula, NGC 2237.
Monday, February 13, 2017
Polar Flyby
Today's Astronomy Picture of the Day is another jaw-dropping image from the Juno mission to Jupiter. How many hurricane-like clouds can you spot?
Sunday, February 12, 2017
The Cometeers Return
Today's Astronomy Picture of the Day shows Comet 45P/Honda-Mrkos-Pajusakova. A green comet? Where have we seen that before?
Saturday, February 11, 2017
Home Picture
Today's Astronomy Picture of the Day looks back at the neighborhood. In 1990, Voyager 1 looked back one last time and showed us where we are.
Friday, February 10, 2017
Towering Heart
Deep in the Heart Nebula (IC 1805) stands a tower of gas. Today's Astronomy Picture of the Day peers inside the cluster Melotte 15 to tease out the details.
Thursday, February 9, 2017
Ice Crescent
Today's Astronomy Picture of the Day is a crescent Enceladus, around Saturn. Thanks to the hard-working Cassini orbiter for another beautiful view!
Wednesday, February 8, 2017
Butterfly of Chaos
Today's Astronomy Picture of the Day shows the Butterfly Nebula (NGC 6302), courtesy of the Hubble Space Telescope.
Master of Chaos
An interview with Rick Meints, President of my favorite still-existing game company, Chaosium. I have spent many hours going mad with Call of Cthulhu and questing for runes with RuneQuest. Good to see a favorite spring to new life! Great picture, Rick!
Tuesday, February 7, 2017
Rock Lobster
Today's Astronomy Picture of the Day details the intricate whorls and eddies of the Lobster Nebula (NGC 6357).
Monday, February 6, 2017
Dolphin Dance
Today's Astronomy Picture of the Day shows NGC 2936, stressed by "interaction" and taking on a certain shape. Is it dancing?
Sunday, February 5, 2017
Odysseus
Today's Astronomy Picture of the Day shows the Odysseus impact basin on Saturn's moon Tethys. Cassini continues to gather data in the last orbits before the the big dive into Saturn.
Saturday, February 4, 2017
3 Planets, 1 Moon, 1 Station
Today's Astronomy Picture of the Day captures a conjunction between the Moon, Mars, Venus and the ISS!
Friday, February 3, 2017
Focus in on Saturn
What's up in the solar system? Courtesy of The Planetary Society, a snapshot. Focus in on Saturn, here you will find Cassini, on final approach and the last legs of its long mission.
Airglow Australis
Today's Astronomy Picture of the Day is more proof I need to get to the southern hemisphere. "Mouseover" the image in the link for a constellation guide.
Thursday, February 2, 2017
Optical Scale
A look at current and proposed ground-based and space-based telescopes. Now if we could only get the European Extremely Large Telescope into space...
Interactions at a Vast Level
Today's Astronomy Picture of the Day shows interactions on the galactic scale. Elliptical galaxy NGC 1316 is a bit distorted after "colliding" with NGC 1317.
Pushing Photons
Planning for a light sail voyage to the nearest stars! A realistic possibility or a thought experiment?
Wednesday, February 1, 2017
Orbital Mechanics
Today's Astronomy Picture of the Day is a short video showing extrasolar planets around HR 8799.