Thirty Years Ago Today, At 11:38 A.m. EST, January 28, 1986, The Space Shuttle Challenger Lifts Off From

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Comet shapes and characteristics from a Chinese silk book (Boshu) written during the Han dynasty (206 BC-22 AD)

1959 Radio Man

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open parachute during tests for Mars Science Laboratory

Imagine a messy clump not unlike the hair clogging your sink, only on a celestial scale. This wad of soggy detritus sits way out in the Kuiper belt, where Pluto and other small, icy bodies hang out. Also, the mysterious clump in question consists of said icy objects and not actual hair. This would be a very different entry otherwise.

Scientists weren’t quite sure what caused this, so they started running computer simulations of different things that might make them clump in the observed way. In January 2016, they published a paper presenting a potential cause for the phenomenon: a hitherto undiscovered giant of a planet, 10 times the size of Earth, skulking all but silently about the edges of our solar system like a cosmic Hodor.

Arguments for and against the theory are ongoing and just so, so dorky – but computer simulations certainly do support the idea that a large planet could be causing these groupings to occur. So we might have a whole new planet! Your outdated knee-jerk answer of “nine” when somebody asks how many planets are in our solar system may once again be correct!

5 Mysteries About Space That Might Have Horrifying Answers

ESA Rosetta has just released this marvelous video clip of 3 images,18 minutes apart, of a spectacular outburst on Comet 67P. This is what happens when comets, in their orbits around the Sun, start getting close enough for the ices they are made of to warm, turn to vapor, and erupt from below the dark, encrusted surface to form a jet, often entraining icy and rocky particles in the process.

It is the growing number and strength of such jets that form as the comet nears the Sun that produce the magnificent tails that can stretch long and mythical across the night skies of Earth.

And here, you are witnessing the process from its beginnings.

Hosanna to Comet 67P!

ESA: Outburst in action

Did you see what is on www.astrotidbits.com?  Loads of astronomy related stuff, including lots of pictures.

Polaroid Cube

Unconventional design is not the only advantage of the Cube. It is packed with functionality. It is shockproof and water resistant, very rugged and durable, but it also provides you with 1080p HD video, 6MP photo quality with 124° wide angle lens.