Astronomy Picture of the Day ·
Seven Worlds for TRAPPIST-1
The Astronomy Picture of the Day for February 23, 2017 is “Seven Worlds for TRAPPIST-1,” an image. It is credited to Illustration Credit: NASA , JPL-Caltech , Spitzer Space Telescope , Robert Hurt ( Spitzer, Caltech ). The original explanation runs about 185 words.
From the explanation
“Seven worlds orbit the ultracool dwarf star TRAPPIST-1, a mere 40 light-years away. In May 2016 astronomers using the Transiting Planets and Planetesimals Small Telescope (TRAPPIST) announced the discovery of three planets in the TRAPPIST-1 system.”
— APOD editors, February 23, 2017
Read the full explanation on science.nasa.gov
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At a glance
- Date
- February 23, 2017
- Type
- Image
- Credit
- Credit: Illustration Credit: NASA , JPL-Caltech , Spitzer Space Telescope , Robert Hurt ( Spitzer, Caltech )
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 185 words