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719-What A Night(505)
To give you an idea of the celestial traffic in our neighborhood, on a recent clear night, using our 60 inch telescope on Mt. Lemmon, Arizona, my Cat…
3 years, 11 months ago
207E-219-Zero
A small asteroid's path around the Sun very nearly crosses that of Earth.
3 years, 11 months ago
718-Vulcan(504)
In the fictional Star Trek series, Vulcan, Spock's home planet was imagined to orbit the A component of the triple star system 40 Eridani [Eri-dani ]…
3 years, 11 months ago
206E-218-Still Out There
Unknown large dangerous Earth approaching asteroids are still out there
3 years, 11 months ago
717-Fuls III(503)
Recently my Catalina Sky Survey teammate Carson Fuls discovered his third comet, Comet C/2018 R4 (Fuls). It is now on its way back into deep space. G…
4 years ago
205E-217-How Close
Earth approaching asteroids are found by their motion in the sky.
4 years ago
716-Pair of PHAs(502)
Asteroid Hunters keep careful track of nearly 2,000 Potentially Hazardous Asteroids [PHAs] to make sure that they are no threat to humanity. The rece…
4 years ago
204E-216-Blinky Revealed
An Earth approaching asteroid is found to triple in brightness every 9 minutes.
4 years ago
715-Carson's Night(501)
A small space rock is spotted 4 days before it came very close to the Earth and our Moon.
4 years ago
203E-215-Blinky
A rapidly spinning asteroid comes close to both the Earth and our Moon.
4 years ago