764-Green-Airglow
The natural night sky is alive with its own lights. In addition to celestial sources often there is natural night sky airglow powered by space weather from above and/or tropospheric activity from belo...
29 Syys 20232min
253E-265-Dancing with Earth
The Moon is the Earth's long time dancing partner. This unequal pair revolve about a teeter totter type balance point which in turn orbits the Sun every 365 and a quarter days. A small asteroid has b...
26 Syys 20232min
763-Hogan's Big Rock
My Catalina Sky Survey teammate Josh Hogan was asteroid hunting in the constellation Sextans with our 60 inch telescope on Mt. Lemmon, Arizona when he discovered the largest asteroid in nearly a decad...
22 Syys 20232min
252E-264-Tough Guy
A tough rocky asteroid makes close approaches to the Sun.
19 Syys 20232min
762-Kacper's PHA
An object like 2023 MN5 impacts Earth once every 90,000 years or so creating a crater 5 miles in diameter an 1800 feet deep in sedimentary rock. 50 miles from the impact of such an object observers wo...
15 Syys 20232min
251E-263-Catching Shadows
Students and teachers are doing real science by measuring the shadows cast by distant objects in our solar system.For years humans knew Pluto, the first Trans-Neptunian object to be discovered, only a...
12 Syys 20232min
761-Allesandra's Duo
In less than two hours my Catalina Sky Survey teammate Allesandra Serrano discovered two small fast moving space rocks. Both of them passed through the Earth-Moon system unimpeded. Other space rocks a...
8 Syys 20232min
250E-262-Shooting Star's Daddy
The source of the Geminid Meteor shower each December is a strange little asteroid.
5 Syys 20232min
