TRAPPIST-1 - Wikipedia
TRAPPIST-1 is a cool red dwarf star [c] with seven known exoplanets. It lies in the constellation Aquarius about 40.66 light-years away from Earth, and has a surface temperature of about 2,566 K (2,290 °C; 4,160 °F). Its radius is slightly larger than Jupiter and …
Largest Batch of Earth-size Habitable Zone Planets Found Orbiting ...
You can fly through the TRAPPIST-1 planets and see an artist's concept of the surfaces on your phone or with a desktop app. Compare each planet to Earth or Jupiter, compare the TRAPPIST-1 system to our solar system, and see how far the habitable zone extends.
10 Things: All About TRAPPIST-1 - Science@NASA
2018年2月20日 · Forty light-years away, seven Earth-size planets closely orbit a faint star called TRAPPIST-1. We now know more about this system than any other beyond our own. The star we today call TRAPPIST-1 was first discovered in 1999 by astronomer John Gizis and colleagues.
TRAPPIST-1: A guide to the system with 7 Earth-size exoplanets
2023年10月4日 · TRAPPIST-1 was the first system of transiting exoplanets to be discovered by the TRAPPIST project, back in 2016. At first, only three planets were identified, but...
NASA Telescope Reveals Largest Batch of Earth-Size, Habitable …
2017年2月22日 · Spitzer, an infrared telescope that trails Earth as it orbits the sun, was well-suited for studying TRAPPIST-1 because the star glows brightest in infrared light, whose wavelengths are longer than the eye can see. In the fall of 2016, Spitzer observed TRAPPIST-1 nearly continuously for 500 hours.
TRAPPIST-1e - Wikipedia
TRAPPIST-1e, also designated as 2MASS J23062928-0502285 e, is a rocky, close-to-Earth-sized exoplanet orbiting within the habitable zone around the ultracool dwarf star TRAPPIST-1, located 40.7 light-years (12.5 parsecs; 385 trillion kilometers; 239 trillion miles) away from Earth in the constellation of Aquarius.
TRAPPIST-1b: Bare Rock or Hazy Alien World? Webb’s
2024年12月16日 · New TRAPPIST-1 observations from the James Webb Space Telescope highlight the challenges of confirming a planet’s atmosphere using only broadband thermal emission data. This finding is especially relevant as the Space Telescope Science Institute ( STScI ) recently approved the “ Rocky Worlds ” observation program, which will use this ...
TRAPPIST-1 d - Science@NASA
TRAPPIST-1 d is a terrestrial exoplanet that orbits a M-type star. Its mass is 0.388 Earths, it takes 4 days to complete one orbit of its star, and is 0.02227 AU from its star. Its discovery was announced in 2016.
TRAPPIST-1f - Wikipedia
TRAPPIST-1f, also designated as 2MASS J23062928-0502285 f, is an exoplanet, likely rocky, [2] orbiting within the habitable zone [5] around the ultracool dwarf star TRAPPIST-1, located 40.7 light-years (12.5 parsecs) away from Earth in the constellation of Aquarius.
The 7 Earth-sized Planets of TRAPPIST-1 - Spitzer Space Telescope
2021年1月22日 · The red dwarf star TRAPPIST-1 is home to the largest group of roughly Earth-size planets ever found in a single stellar system. Located about 40 light-years away, these seven rocky siblings provide an example of the tremendous variety of …