All posts by Al Grauer

By Al Grauer on October 6, 2019 in

Itokawa, Potentially Hazardous Asteroid which deserves special attention.

By Al Grauer on September 29, 2019 in

Imagine a world that is so far from our Sun that it receives less than 1/5,000 of the heat and light that makes our life possible.

By Al Grauer on September 22, 2019 in

In today’s podcast, we have stories about Chariklo, also Earth & Moon as a “double star” in the Martian sky. #365DaysOfAsto

By Al Grauer on September 15, 2019 in

The 5,000th Earth approaching asteroid discovered by the Catalina Sky

By Al Grauer on September 8, 2019 in

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

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

The potentially hazardous asteroid Asteroid 1998 QE2 & Apophis. #365DaysOfAstro

By Al Grauer on August 18, 2019 in

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