Title: Chandrasekhar’s Limit Speaker: Keith Jarvie, Ph.D. Keith’s talk examines (at the level of an amateur enthusiast with minimal math skills) the interplay between the birth of quantum mechanics, and its application to understanding the life cycles of the stars’. The historical record is traced through the lives of the scientists who contributed to the field, each of whom provides clear evidence of their genius, and in numerous instances, their eccentricities. Central to the narrative are the points of collision between Dr. Subrahmanyan Chandrasekhar, and Sir Arthur Eddington, a ‘founding father’ and dominant force in early cosmology. The passage of … Continue reading
Clear Sky Clock
- The Deep LagoonRidges of glowing interstellar gas and dark dust clouds
- Rainbows and Rays over Bryce CanyonWhat's happening over Bryce Canyon?
- Milky Way and Aurora over AntarcticaIt has been one of the better skies of this long night.
- The Sombrero Galaxy from HubbleWhy does the Sombrero Galaxy look like a hat?
- The Deep Lagoon
- Aurora on a Dwarf Star July 29, 2015Astronomers have detected what looks like auroral emission on an ultra-cool star. The post Aurora on a Dwarf Star appeared first on Sky & Telescope.
- Blue Moon Rayed-Crater Blowout July 29, 2015Like "catching some rays"? This weekend's Blue Moon invites us to explore the beauty and dazzle of crater rays, the tracks left by powerful impacts in the not-so-distant past. The post Blue Moon Rayed-Crater Blowout appeared first on Sky & Telescope.
- Aurora on a Dwarf Star July 29, 2015
- What Are These Strange Scarlet Streaks Spotted on Tethys? July 29, 2015Resembling what the skin on my arms looks like after giving my cat a bath, the surface of Saturn’s moon Tethys is seen above in an extended-color composite from NASA’s Cassini spacecraft showing strange long red streaks. They stretch for long distances across the moon’s surface following the rugged terrain, continuing unbroken over hills and down into craters… […]Jason Major
- Ceres Resembles Saturn’s Icy Moons July 28, 2015Ceres’ topography is revealed in full (but false) color in a new map created from elevation data gathered by NASA’s Dawn spacecraft, now nearly five months in orbit around the dwarf planet orbiting the Sun within the main asteroid belt. With craters 3.7 miles (6 km) deep and mountains rising about the same distance from its surface, […]Jason Major
- Faces of the Solar System July 28, 2015“Look, it has a tiny face on it!” This sentiment was echoed ‘round the web recently, as an image of Pluto’s tiny moon Nix was released by the NASA New Horizons team. Sure, we’ve all been there. Lay back in a field on a lazy July summer’s day, and soon, you’ll see faces of all […]David Dickinson
- Blues for the Second Full Moon of July July 27, 2015Brace yourselves for Blue Moon madness. The month of July 2015 hosts two Full Moons: One on July 2nd and another coming right up this week on Friday, July 31st at 10:43 Universal Time (UT)/6:43 AM EDT. In modern day vernacular, the occurrence of two Full Moons in one calendar month has become known as […]David Dickinson
- See Pluto’s Icy Flow Plains and Mountains Revealed in Highest Resolution Flyover Mosaic and Movie July 26, 2015Until barely two weeks ago, Pluto tantalized humanity for eight decades with mysteries we could only imagine – seen as just a point of light or fuzzy blob in the world’s most powerful telescopes. Now the last explored planetary system in our solar system is being revealed for the first time in history to human […]Ken Kremer
- What Are These Strange Scarlet Streaks Spotted on Tethys? July 29, 2015