Monday, 27 January 2020

Spitzer Observes TRAPPIST-1


Spitzer Space Telescope, one of agency’s great observatories, one of Spitzer's great discoveries was that of the TRAPPIST-1 star, an ultra-cool dwarf, which has seven Earth-size planets orbiting it. via NASA https://ift.tt/2U23ciq

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Water Droplet Science

NASA astronaut Don Pettit demonstrates electrostatic forces using charged water droplets and a knitting needle made of Teflon. via NASA htt...