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458-Large and Close
On June 30, 1908 a celestial object exploded 28,000 feet above the Tunguska river drainage area in Siberia, Russia releasing the energy of 185 Hirosh…
7 years, 9 months ago
457-30 Years Of Fireballs
Fireballs are meteors which become brighter than the planet Venus and can sometimes be seen in the daytime. If you are lucky to see a fireball send i…
7 years, 9 months ago
456-Dangerous Trio
In the space of only four days, my Catalina Sky Survey teammates, Brian Africano, Alex Gibbs, and Greg Leonard, discovered three Potentially Hazardou…
7 years, 9 months ago
455-17,000 To Go
So far asteroid hunters have discovered about 8,000 of the 25,000, large, potentially hazardous asteroids, suspected to exist, leaving 17,000 more to…
7 years, 10 months ago
454-Comets And Asteroids
If you set your mind to it, you can find and hold a sample of an asteroid, called a meteorite, which has landed on the Earth's surface. On the other …
7 years, 10 months ago
453-HAMMER
Theoretically, If an asteroid on a collision course with our planet could be slowed sufficiently it could be made to pass behind our planet as it orb…
7 years, 10 months ago
452-Small But Deadly
My Catalina Sky Survey teammate Greg Leonard's discovery of, 2018 FO5, a three football field diameter asteroid that can come closer than our Moon is…
7 years, 10 months ago
451-Going Far
Perhaps C/2018 F3 (Johnson) is an interstellar visiting Comet and is thus a sample of a place currently beyond our reach.
7 years, 10 months ago
450-Saint Patrick's Day Comet
On Saint Patrick's Day I discovered a comet which I share with my wife Annie Grauer.
7 years, 10 months ago
449-Cloud 7
To give you an idea of the asteroid traffic in our neighborhood, on a mostly cloudy night, through holes in the clouds, in a space of less than 2 hou…
7 years, 10 months ago