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583-A Woman and Pluto
Elizabeth William graduated from MIT in 1903 as one of the top students in physics and mathematics. As the head "human computer" at Lowell Observator…
6 years, 6 months ago
71E-83-Two Space Rocks Come Close To Planet Earth In A Week
The NASA funded, University of Arizona, Schmidt telescope on Mt. Bigelow, AZ was used to discover two close approaching space rocks on the same night…
6 years, 6 months ago
582-Stealthy Asteroid
Asteroids which approach Earth from inside of our orbit about the Sun are often difficult to discover and may represent a unique threat to our home p…
6 years, 6 months ago
70E-82-Interplanetary Travelers-Antartic Meteorites
In the cold deserts of Antarctica nature collects meteorites as ice sheets carrying space rocks are pushed up against mountains. High speed winds re…
6 years, 6 months ago
581-Planet Hunting
The hunt is on for Earth like planets which are close enough for us to study in detail. The NASA Transiting Exoplanet Survey Satellite, or TESS for s…
6 years, 7 months ago
69E-81-Views From The Shores Of The Cosmic Ocean
Before artificial lighting many people knew the night sky the way humans of today know their favorite TV channels. There are still places where you c…
6 years, 7 months ago
580-Kacper's Debut
On his first night of solo observing with our Schmidt telescope on Mt. Bigelow, Arizona, my Catalina Sky Survey teammate Kacper Wierzchos discovered …
6 years, 7 months ago
68E-80-Rocks From Space Tell A Tale
The history of our part of the Universe is written with a fine point in the space rocks which orbit our Sun. Some of them carry small grains of mater…
6 years, 7 months ago
579-Martian Vacation
SpaceX's new rockets fuel the dream of visiting some of the planet Mars' unique and spectacular wonders. Today you can visit the NASA Mars Curiosity …
6 years, 7 months ago
67E-79-Interplanetary Travelers-Lunar Meteorites
About one out of a thousand meteorites that you find on Earth started out on the Moon. They were given escape velocity from the Moon as a result of …
6 years, 7 months ago