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7E-16-The Discovery of Comet P:2014 A2 [Hill]
Have you ever wondered how a comet is discovered and named?
Published on 6 years, 11 months ago
519-Greg's Comet
The discovery of a Jupiter family comet whose fate is to become a garden variety main belt asteroid.
Published on 6 years, 11 months ago
6E- 15-Suppose An Asteroid Is On A Collision Course With Earth
Over geologic times, the impacts of objects from space have produced significant changes to our planet's biosphere. Earth threatening asteroids present a complicated challenge due to the wide range …
Published on 6 years, 11 months ago
518-Busy Night
On Halloween night while observing with the Catalina Sky Survey's 60 inch telescope on Mt. Lemmon, Arizona I discovered 21 space rocks streaking through the night sky. The most interesting one could…
Published on 6 years, 11 months ago
5E-13-The Tunguska Event
The Tunguska [ Tun·gu·ska] event occurred on June 30, 1908. It appears to have been caused by a small asteroid or comet which exploded 3-6 miles above the Earth's surface. It is the largest impact ev…
Published on 6 years, 11 months ago
517-Close Again
As asteroid hunters equipment and skills continue to improve we will be able to find and track some of these tiny impactors and perhaps be able to suggest where to find pieces of one of them on the g…
Published on 6 years, 11 months ago
4E-8-A Bad Day for the Dinosaurs
Scientific evidence suggests that it was a bad day for non-avian dinosaurs when a large asteroid or a comet crashed into the Earth about 66 million years ago. Some species, including mammals, flouris…
Published on 7 years ago
516-Space Weather
Space is not all that far away. If a powerful solar eruption in 2012 had happened a week earlier, the blast of radiation would have caused wide spread power blackouts disabling everything that plugs…
Published on 7 years ago
3E-3-Finding Earth Approaching Objects
Using 2 telescopes near Tucson Arizona, the NASA funded, Catalina Sky Survey searches for Earth Approaching Objects. The method is to take 4 images of the same part of the sky spaced out over 45 minu…
Published on 7 years ago
515-Dust Moons
The discovery of two large ghostly neighbors approximately 65,000 by 45,000 miles in size at the L4 and L5 sites approximately 250,000 miles from both the Earth and Moon.
Published on 7 years ago