All posts by Al Grauer

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

By Al Grauer on July 21, 2019 in
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Looking into the sky on a clear-dark night, have you wondered what it would be like to travel in deep space?

By Al Grauer on July 14, 2019 in
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Have you wondered what would happen if a rock from space landed near one of our large cities? #travelersinthenight at #365DaysOfAstro

By Al Grauer on July 7, 2019 in
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Scientific evidence suggests that it was a bad day when a large asteroid or a comet crashed into the Earth. more at #365DaysOfAstro

By Al Grauer on June 30, 2019 in
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The discovery of asteroid 2018 UL and 2018 UA.