Speaker….Paul Mortfield Topic…40 years of astrophotography Paul Mortfield is an astronomer and computer scientist who has returned to Canada after nearly 20 years in California. While there, he was involved in creating innovative education and public outreach activities with Stanford University’s Solar Observatories Group, and their involvement in NASA’s SOHO Solar spacecraft. He continues collaborations with NASA scientists on a variety of projects and is a member of NASA’s Education Products Review team. Paul is chair of the Solar Division of the American Association of Variable Star Observers (AAVSO), a group that has been responsible for computing the American Relative … Continue reading
Clear Sky Clock
- NGC 6240: Merging GalaxiesNGC 6240 offers a rare, nearby glimpse of a cosmic catastrophe in its
- A Cliff Looming on Comet 67PWhat that looming behind this gravel-strewn hill on Comet ChuryumovGerasimenko?
- Globular Star Cluster 47 TucGlobular star cluster 47 Tucanae is a jewel box of the southern sky.
- Auroras and Star Trails over IcelandIt was one of the quietest nights of aurora in weeks.
- NGC 6240: Merging Galaxies
- Star Party Season Has Begun! May 21, 2015It’s time to get away from all those city lights and gather together to share in the secrets of the universe. The post Star Party Season Has Begun! appeared first on Sky & Telescope.
- Supernova, Two Ways May 20, 2015Two new studies confirm that the white dwarfs that explode as Type Ia supernovae can approach death in two different ways. The post Supernova, Two Ways appeared first on Sky & Telescope.
- Star Party Season Has Begun! May 21, 2015
- X-37B Air Force Space Plane Launches on 4th Mystery Military Mission and Solar Sailing Test May 20, 2015The X-37B, a reusable Air Force space plane launched today, May 20, from Cape Canaveral, Florida, on its fourth mission steeped in mystery as to its true goals for the U.S . military and was accompanied by ten tiny cubesat experiments for NASA and the NRO, including a solar sailing demonstration test for The Planetary […]Ken Kremer
- Watch Jupiter Get Blasted by an Iridium Flare May 20, 2015Cue the “Space Invaders” sound effects! We’ve shared previously how astrophotographer Thierry Legault will travel anywhere to get a unique shot. He took this impressive but fun video of an Iridium 72 satellite flaring and passing in front of Jupiter, traveling to Oostende Beach at the North Sea in Belgium to capture this transit. He […]Nancy Atkinson
- Hunting LightSail in Orbit May 20, 2015The hunt is on in the satellite tracking community, as the U.S. Air Force’s super-secret X-37B space plane rocketed into orbit today atop an Atlas V rocket out of Cape Canaveral. This marks the start of OTV-4, the X-37B’s fourth trip into low Earth orbit. And though NORAD won’t be publishing the orbital elements for […]David Dickinson
- Air Force X-37B Spaceplane Launches on May 20 with Military, NASA and LightSail Payloads: Watch Live May 19, 2015All systems are currently “GO” for the fourth launch of the US Air Force’s secretive unmanned, X-37B military space plane this Wednesday, May 20, on a flight combining both US national security experimental payloads as well as civilian science experiments sponsored by NASA, US Universities, commercial companies, and the solar sailing LightSail test from the […]Ken Kremer
- Astronomy Cast Ep. 377: Thomson Finds the Electron May 18, 2015At the end of the 19th century, physicists were finally beginning to understand the nature of matter itself, including the discovery of electrons – tiny particles of negative charge that surround the nucleus. Here’s how J.J. Thompson separated the electrons from their atoms and uncovered their nature. (...)Read the rest of Astronomy Cast Ep. 377: […]Fraser Cain
- X-37B Air Force Space Plane Launches on 4th Mystery Military Mission and Solar Sailing Test May 20, 2015