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
- Zeta Oph: Runaway StarLike a ship plowing through cosmic seas,
- Aurora AustralisNot fireworks, these intense shimmering lights
- Venus and Jupiter are FarOn June 30 Venus and Jupiter were actually far apart, but both
- Venus and Jupiter are CloseOn June 30, Venus and Jupiter were close in western skies at dusk.
- Zeta Oph: Runaway Star
- SOFIA Dashes into Pluto’s Shadow July 3, 2015Despite an 11th-hour scramble due to an unexpected in predictions, NASA's flying observatory was in the right place at the right time on June 29th as distant Pluto briefly covered a 12th-magnitude star. The post SOFIA Dashes into Pluto’s Shadow appeared first on Sky & Telescope.
- This Week’s Sky at a Glance, July 3 – 11 July 3, 2015Daily sky events among the ever-changing Moon, planets and stars, from Sky & Telescope magazine. This week with Venus and Jupiter in the west. The post This Week’s Sky at a Glance, July 3 – 11 appeared first on Sky & Telescope.
- SOFIA Dashes into Pluto’s Shadow July 3, 2015
- Challenger and Columbia Crews Memorialized in Emotional New “Forever Remembered” Exhibit at Kennedy Space Center July 5, 2015NASA’s two lost Shuttle crews from the searing Challenger and Columbia accidents are now memorialized in the newly opened, permanent and highly emotional “Forever Remembered” tribute display at the Kennedy Space Center Visitor Complex in Florida. The “Forever Remembered” memorial tribute was officially opened by NASA Administrator Charles Bolden and Kennedy Space Center Director Bob […]Ken Kremer
- Red-faced Pluto Full of Surprises July 4, 2015Hey, Mars, you’ve got company. Looks like there’s a second “red planet” in the Solar System — Pluto. Color images returned from NASA’s New Horizons spacecraft, now just 10 days from its encounter with the dwarf planet, show a distinctly ruddy surface with patchy markings that strongly resemble Mars’ appearance in a small telescope.(...)Read the rest […]Bob King
- Russian Progress Launch Restores Critical Cargo Lifeline to Space Station July 4, 2015A sigh of relief was heard worldwide with today’s (July 3) successful launch to orbit of the unmanned Progress 60 cargo freighter atop a Soyuz-U booster from the Baikonur Cosmodrome, signifying the restoration of Russia’s critical cargo lifeline to the International Space Station (ISS), some two months after the devastating launch failure of the prior […]Ken Kremer
- River of Fire Smoke Darkens Sun and Moon July 3, 2015My eyes are burning. The morning Sun, already 40° high, glares a lemony-orange. It’s meteorologically clear, but the sky looks like paste. What’s going on here? Forest fires! Many in the Midwest, northern mountain states and Canadian provinces have been living under a dome of high altitude smoke the past few days reflected in the ruddy midday Sun […]Bob King
- Rosetta’s Comet Sparkles with Ice, Blows Dust From Sinkholes July 2, 2015Comet 67P/C-G may be tiny at just 2.5 miles (4 km) across, but its diverse landscapes and the processes that shape them astound. To say nature packs a lot into small packages is an understatement. In newly-released images taken by Rosetta’s high-resolution OSIRIS science camera, the comet almost seems alive. Sunlight glints off icy boulders and pancaking sinkholes […]Bob King
- Challenger and Columbia Crews Memorialized in Emotional New “Forever Remembered” Exhibit at Kennedy Space Center July 5, 2015