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
- New Horizons Hiccups, Goes into Safe Mode July 5, 2015Just 10 days before its history-making flyby of Pluto and its moons, NASA's New Horizons spacecraft briefly lost communication with Earth. The post New Horizons Hiccups, Goes into Safe Mode appeared first on Sky & Telescope.
- 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.
- New Horizons Hiccups, Goes into Safe Mode July 5, 2015
- Russian Progress Supply Freighter Docks at Space Station, Ending String of International Launch Failures July 5, 2015Over three tons of much needed supplies and equipment finally reached the crew living aboard the International Space Station (ISS), when an unmanned and highly anticipated Russian Progress cargo ship successfully docked at the orbiting outpost early this morning, Sunday July 5, at 3:11 a.m. EDT (10:11 MSK, Moscow local time)- to all the partners […]Ken Kremer
- NASA Loses Contact with New Horizons; Probe Now in Safe Mode July 5, 2015For a nail-biting hour and 20 minutes, NASA lost contact yesterday afternoon July 4 with the New Horizons spacecraft just 9 days before its encounter with Pluto. Communication has since been reestablished and the spacecraft is healthy. (...)Read the rest of NASA Loses Contact with New Horizons; Probe Now in Safe Mode (271 words) © Bob […]Bob King
- 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
- Russian Progress Supply Freighter Docks at Space Station, Ending String of International Launch Failures July 5, 2015