The Infrared Universe - NASA’s Spitzer Space Telescope

Excerpt from Juno Mission Trailer Video Credit: NASA, JPL, Juno Mission 

Watch the full 2 minute trailer on APOD here.

people today with access to more raw information than any other period: the earth is flat

german artilleryman in 1916, who barely washes his own ass: I need to account for the curvature and rotation of the earth when plotting my firing plans

The mineral component of bone is comprised mostly of the calcium phosphate mineral hydroxyapatite which is embedded in the organic component type I collagen. When bone is exposed to a mildly acid environment the mineral component leaches out leaving only the pliable organic component. Vinegar is safe to use and does not destroy the protein scaffolding that gives bone it’s characteristic shape. This is a human fibula tied in a knot.

no offense but all the pictures of the eclipse i've seen today are really boring here are the ones my astrophotographer boyfriend took

11/19/21

Above: An artist’s impression of GW150914, the event that created the first observed gravitational waves.

Physicists long thought gravitational wave memory would be impossible to detect. Not anymore.

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An example of crown flashes, also called jumping sun dogs. They’re streamers of light above storm clouds that appear to dance and flash, sometimes quite rapidly, looking like search lights or huge light sabers.

They’re almost certainly caused by long ice crystals above the cloud that align themselves with the cloud’s electric field. If you see them from the right angle, they bend (or refract) the sunlight toward you, causing the glow. 

When lightning erupts from the cloud to the ground (or inside the cloud) the electric field changes radically, realigning the ice crystals. When this happens they suddenly bend sunlight in a different direction, causing the glow to shift. (Source)

look at these beautiful artistic impressions of the new planet discovered by a 17 year old three days into their NASA internship