Don Pettit
@astro_Pettit
NASA Astronaut and astrophotographer.
Engineer by schooling, scientist by profession, explorer by heart.
ID:310804819
https://www.nasa.gov/people/donald-r-pettit/ 04-06-2011 11:23:32
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In the weightlessness on International Space Station I placed a sphere of water with an air bubble on a speaker cone, then drove it with acoustical waves from the speaker.
This created a series of standing nodes and anti-nodes that responded to the frequency and amplitude. A zero gravity
One of my time exposures from International Space Station, demonstrating how orbital astrophotography reveals phenomena viewed from space as a function of time.
Here our Soyuz and Progress cargo vehicle cuts through the exposure, forming star trails as straight lines, city streaks across the
Don Pettit prepares for this fourth space flight! โจ๐
During his upcoming mission to the International Space Station, NASA astronaut Don Pettit will serve as a flight engineer and member of the Expedition 71/72 crew for a six month stay in microgravity.
go.nasa.gov/3VBZhsd
Star trail time exposure from my third mission to International Space Station. Solar panels blur into the exposure, creating a ghostly afterimage.
City lights streak to the right, and disappear in rural plots to the left, dividing the image into a black and gold mosaic of human presence.
Astronaut @Astro_Pettit has been assigned to his fourth flight to the International Space Station, currently set for September 2024: go.nasa.gov/4ahsGfR
On previous flights, Pettit was celebrated for his space photography and invention of a zero g coffee cup.
One of my sharpest star trails from space, crisscrossing the arcs of stars and the station's solar panels into one image.
30 minute time exposure composite taken from the International Space Station , with orbital motion blurring city lights, earthly lightning storms, stars, and the solar