637-Martian Dust
After sunset in the spring and before sunrise in the fall, at a natural night sky location like the Cosmic Campground International Dark Sky Sanctuary in New Mexico, you will see a triangle of faint g...
23 Apr 20212min
125E-137-Bad Seeing
Looking at the Universe from the Earth's surface is a bit like a scuba diver viewing our world from the bottom of a swimming pool. Don't get me wrong. I love our atmosphere. It gives us air to breath...
20 Apr 20212min
636-90 Inch
On Kitt Peak in Arizona, the Steward Observatory's Bok telescope's 90 inch light collecting mirror enables the discovery, study, and tracking of space rocks 3 or 4 times fainter then possible with any...
16 Apr 20212min
124E-136-The Oceans of Ganymede
Ganymede was discovered by Galileo Galilei using his new telescope in 1610. He observed it to be a faint point of light orbiting the planet Jupiter. This discovery along with 3 of Jupiter's moons wa...
16 Apr 20212min
635-Exploring Mars
We are lucky to be alive in an age when anyone with an internet connection can participate in the exploration of Mars. Your unique brain-eye combination may very well enable you to notice a previousl...
9 Apr 20212min
123E-135-Future Impact Possibilities
Recently, three asteroids were discovered which have very slight probabilities of impact with planet Earth between 2065 and 2117. My team, the Catalina Sky Survey found two of them and the Pan-STARRS...
6 Apr 20212min
634-Meteor Goes Splat
On 28 February 2021 at 9:54PM a large slow moving fireball meteor was observed over England, Northern Ireland, Wales, and Scotland. The Wichcombe meteorite which this meteor produced is particularly v...
2 Apr 20212min
122E-134-Recycling Spacecraft
In the early days of space exploration when a flight component failed the mission was over. In recent history, there have been a few times when astronauts have repaired satellites and a number of ins...
30 Mar 20212min
