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616-100 Million Year Old Crater
In western Australia, rock samples and maps of the local geology obtained while exploring for gold show evidence of a 3 mile diameter meteor crater w…
5 years, 3 months ago
104E-116-Three Potentially Hazardous Asteroids Discovered In A Single Night
In less than three and one half hours, my Catalina Sky Survey teammate, Rose Matheny, discovered three Potentially Hazardous Asteroids with the NASA…
5 years, 3 months ago
615-Solar Storm Forecasts
A large solar coronal mass ejection could put astronauts, airline passengers, power grids, electronic devices, and satellites at risk. Participants i…
5 years, 4 months ago
103E-115-Ballistic Capture
Spacecraft destined for Mars have so far used the Hohmann transfer to achieve an orbit about the red planet. This approach requires the launch from …
5 years, 4 months ago
614-Rare Atira
The Atira class of Earth approaching asteroids are ones whose orbit is entirely within that of the Earth's path about the Sun. Less than 3 dozen of t…
5 years, 4 months ago
102E-114-Roses First Asteroid
Rose Matheny's third solo night of asteroid hunting, using the University of Arizona Schmidt telescope, on Mt. Bigelow, was one of the longest of the…
5 years, 4 months ago
613-Climate Change and Telescopes
Recently, in the journal Nature Astronomy, a team of astronomers led by Dr. Faustine Cantalloube of the Max-Planck Institute for Astronomy released d…
5 years, 4 months ago
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 o…
5 years, 4 months ago
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…
5 years, 4 months ago
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 o…
5 years, 4 months ago