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How big can a black hole get? What’s the largest one detected so far? Where does an 18 billion solar mass black hole hide? Find out in this amazing video documentary from SpaceRipTV.

An amazing video about the Hubble Deep Field, ending with a flythrough of its representation in 3D, rendered using the measured redshift of the picture. Even though the camera seems to be slowly drifting among the galaxies, it belies the fact that the viewpoint is hurtling through the universe at a speed of around 200 million light years per second.

This video about the Big Bang was made because the theory is important and amazing, but often misunderstood. This video was produced without any funding from any outside sources. It was put together with donated creative time from a group with a desire to further public cognition of science.

From Slate magazine, a masterful edit showing how modern news outlets would cover the first man on the moon.

William Castleman shot this video of the night sky at the Texas Star Party in Fort Davis, TX April 21-22. Watch as the core of the Milky Way passes over.

Galactic Center of Milky Way Rises over Texas Star Party from William Castleman on Vimeo.

In the following video, International Space Station Science Officer Don Pettit demonstrates gyroscopic spin stabilization via the help of several portable CD players which, in microgravity, are spinning and, at the same time, not spinning.

[Via: Neatorama]

It’s good to see that whilst the astronauts on the ISS are busy doing all that fancy science stuff, they’ve still got time for some good old tomfoolery. Surfing on a magic carpet, awesome!

All of these examples were captured on film by NASA astronauts or Russian cosmonauts over the past half-century.

Why was Pluto demoted? What is the Kuiper belt? Do you know your way around our galactic neighborhood? Welcome to the Solar System: At least 7 billions miles across, home to 8 planets, 166 moons, and billions of asteroids, comets, and meteorites.