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By Al Grauer on September 15, 2019 in
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The 5,000th Earth approaching asteroid discovered by the Catalina Sky

By Al Grauer on September 8, 2019 in
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A strange moving object are actually three small objects embedded in a cloud of gas and dust. And asteroid Hektor & its moon created from asteroid collision

By Al Grauer on September 1, 2019 in
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Asteroid search program focus focus on finding the large asteroids which pose a threat to Earth & manned mission to an asteroid.

By Al Grauer on August 25, 2019 in
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The potentially hazardous asteroid Asteroid 1998 QE2 & Apophis. #365DaysOfAstro

By Al Grauer on August 18, 2019 in
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Jupiter roles to protect Earth from impacts by long period comets & a fireball, meteor that bright enough to be seen in the day time. more at #365DaysOfAstro

By Al Grauer on August 11, 2019 in
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The discovery of a bright new star in the irregular galaxy M82 & Asteroid 2013 TV 135

By Al Grauer on August 4, 2019 in
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R. A. Kowalski found 2008 TC3 & Your host, Al Grauer, discovered the 1kilometer-diameter Centaur type asteroid.

By Al Grauer on July 28, 2019 in
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In today’s podcast: Catalina Sky Survey searches for Earth Approaching Objects & the discovery of Comet Hill