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Collage of Jupiter and its four planet-size moons, called the Galilean satellites, which were photographed by Voyager 1 in 1998. They are not to scale but are in their relative positions.

Image Credit: NASA/JPL

Jupiter is at its closest point to Earth today (January 5), giving this year’s best view of it!

Small correction: Voyager 1 flew by Jupiter in 1979.


Amy Shira Teitel (@astVintageSpace) live tweeted the major mission events of Apollo 8, in honor of its 45th anniversary.

Follow and join along at her twitter.

  • people on the internet:

    your music taste is perfection

  • people in real life:

    wtf is this shit


Jet engines can rev at more than 130 decibels, and researchers have managed to turn the sound into electrical energy using piezoelectric materials. This could lead to quieter engines and construction equipment, and potentially a new way to generate wind power. 

Read more: via Discovery News


I do not fear death. I had been dead for billions and billions of years before I was born, and had not suffered the slightest inconvenience from it.

Mark Twain


Joan Higginbotham gets in position on the flight deck of space shuttle Discovery. For the STS-116 mission Higginbotham was in charge of the transfer of the P-5 truss from the shuttle to the space station.

sources: NASA, NASA