A brilliant life has finally come to an end at age 76. We are very lucky to have had him for so long. \Paul A

https://en.wikipedia.org/wiki/Deep_Space_Climate_Observatory#/media/File:EpicEarth-Globespin-tilt-23.4.gif By right the rotation relative to the orbital plane...

Neutron imaging!! https://en.wikipedia.org/wiki/Neutron_imaging However, Muon imagers may at some point be available, they are used now to x-ray vehicles...

I ran across this news item: https://phys.org/news/2018-03-mystery-purple-sky-citizen-scientists.html John Savard

It's the only craft that can life enough weight to provide shielding for astronauts. https://phys.org/news/2018-03-space-increasingly-hazardous.html

https://www.lsst.org/about 10,500mm f/1.25, 3GP sensor array and a 27ft diameter mirror. Able to scan its whole sky in...3 nights?!

https://epic.gsfc.nasa.gov/ For whatever reason known only to themselves, NASA has decided not to represent the images of the Earth with a constant 23 1/2...

http://www.skyandtelescope.com/astronomy-news/james-webb-space-telescope-additional-delays-likely/

The partitioning of direct/retrogrades by perspective is immediately apparent in terms of the illusory loops of the slower moving outer planets and the actual...

On Friday, March 2, 2018 at 8:32:00 AM UTC, Gerald Kelleher wrote: https://www.youtube.com/watch?v=MdFrE7hWj0A The animation is notable for a number of...

https://www.youtube.com/watch?v=MdFrE7hWj0A The animation is notable for a number of reasons however , in this case, it is applied to observing at the...

Chris.B: How does an impoverished country, so deeply in debt, like the USA, manage such costly exercises? Impoverished? Really? I should get out...

https://www.usap.gov/videoclipsandmaps/spwebcam.cfm In about a month, the forward motion of the Earth through space will turn the South pole through the...

It's an infra-red telescope. It will image from orangish to IR, no yellow, no green, blue or violet light. It's mirrors are gold-plated, so the visual images...

https://phys.org/news/2018-02-amateur-astronomer-captures-rare-massive.html

http://www.latimes.com/science/sciencenow/la-sci-sn-supernova-birth-camera-20180221-story.html Rather than consider certain supernova as the death of a star,...

I saw this in a 1966 Sky & Tel. Since it happened in 1988, the event proceeded existing proof of lensing, but his would have been "real-time" and not just a...

https://www.sciencealert.com/images/2018-02/earth-moon_navcam1.jpg Lovely to appreciate as an astronomer within context of the motions of planets and moons in...

On Saturday, 10 February 2018 02:34:20 UTC+1, RichA wrote: On Friday, 9 February 2018 19:32:52 UTC-5, Chris L Peterson wrote: On Fri, 9 Feb 2018...

https://apod.nasa.gov/apod/ap170319.html A planet with a zero degree inclination !!! A pivoting circle of illumination off the Equator !!!. The line...