Travelers In The Night

Recently my Catalina Sky Survey teammate Teddy Pruyne was observing in the constellation Lacerta with our 60 inch telescope on Mt. Lemmon, Arizona when he spotted an unknown point of light streaking t...

4 Joulu 20202min

I was observing with the Catalina Sky Survey, NASA funded, University of Arizona, 60 inch telescope on Mt. Lemmon when a bright fast moving point of light caught my attention. It seemed much too brigh...

1 Joulu 20202min

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 which features a small central pucker like protrusio...

27 Marras 20202min

In less than three and one half hours, my Catalina Sky Survey teammate, Rose Matheny, discovered three Potentially Hazardous Asteroids with the NASA funded, University of Arizona, Schmidt telescope o...

24 Marras 20202min

A large solar coronal mass ejection could put astronauts, airline passengers, power grids, electronic devices, and satellites at risk. Participants in the Solar Stormwatch citizen science project esti...

20 Marras 20202min

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 Earth orbit to be in a small window in time which b...

17 Marras 20202min

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 the approximately 24,000 known near Earth asteroids ...

13 Marras 20202min

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 year. She had prepared for this night over the pa...

10 Marras 20202min