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An asteroid that changes color!
Why does a black hole end in a singularity? How can we measure distances to stuff in space?

In this episode @uastronomer features @noisyastronomer and discussed about science outreach and education, and her time spent in South Africa.

Cheap Astronomy takes out the trash.

This week we wonder if you can made a black hole by accelerating a mass, but then can you un-make it again? Will the Earth ever be tidally locked to the Sun? And can dark matter crush an unsuspecting space ship?

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