101E-113-A Dwarf Water Planet In Our Solar System
The dwarf planet Ceres may be a place in our solar system where life could have developed. At 590 miles in diameter it is the largest asteroid and only dwarf planet orbiting the Sun between Mars and...
3 Nov 20202min
612-Day and Night
Most life on Earth is synchronized to the regular cycles of day and night. Until about a hundred years ago, the natural night sky was familiar to all humans. Most people could identify a few constella...
30 Okt 20202min
100E-112-A Banner Year For Asteroid Hunters
The goal of the NASA Near Earth Object Program is to discover any objects on a collision course with planet Earth. We now know of more than 90% of objects whose impact could cause global climate chan...
27 Okt 20202min
99E-111-Green Meteors
Recently, my wife and I saw a beautiful, bright, green, meteor fireball streaking across the western New Mexico night sky. Such sightings by some UFO enthusiasts , have been advanced as the best obse...
20 Okt 20202min
611-Aurora Mysteries
Auroral displays have been observed and reported on throughout human history. Data from NASA's 5 Themis (Themm us) satellites analyzed by powerful supercomputers is giving us new insight into how our ...
20 Okt 20202min
610-Atmospheric Gravity Waves
Atmospheric gravity waves can be powerful. In September of 2018 two glider pilots surfed an atmospheric gravity wave created by high speed polar winds as they encounter the Andes mountains. Amazingly ...
16 Okt 20202min
98E-110-Asteroids Accessible By Human Space Flights
So far humans have discovered about 100 asteroids which could be visited by astronauts with current rocket capability. My group, the NASA funded Catalina Sky Survey at the University of Arizona has d...
13 Okt 20202min
609-Lurking
Statistically asteroid hunters have found more than 90% of the asteroids whose impact could cause global climate change. However, recently, my Catalina Sky Survey teammate Greg Leonard was observing i...
9 Okt 20202min
