It has a temperature of 2,511 K(2,238 °C; 4,060 °F), and its age has been esti… Take a trip with the Exoplanet Travel Bureau to the fourth planet in the TRAPPIST-1 system, TRAPPIST-1e, a world swimming in water in perpetual twilight.

Imagine a place with not one, not two, but 7 Earth-sized planets orbiting a single star.

This artist's concept shows what the planet might look like. High-resolution optical spectroscopy failed to reveal the presence of lithium, suggesting it is a very low-mass main-sequence star, which is fusing hydrogen and has depleted its lithium, i.e., a red dwarf rather than a very young brown dwarf. TRAPPIST-1 is an Ultra-Cool Dwarf Star.

For planet Trappist-1e, however, 99.3% of the posterior samples are consistent with a silicate-iron model indicating strong evidence for an iron core, researchers conclude. Exoplanet: TRAPPIST - 1e.

Planet hop from TRAPPIST-1e. TRAPPIST-1f, also designated as 2MASS J23062928-0502285 f, is an exoplanet, likely rocky but under a massive water-steam gaseous envelope at very high pressure and temperature, orbiting within the habitable zone around the ultracool dwarf star TRAPPIST-1 39 light-years (12 parsecs) away from Earth in the constellation of Aquarius. They published their findings with the title of “TRAPPIST-1e Has … Although it is slightly larger than Jupiter, it is about 84 times more massive. A planet that orbits a star outside the solar system is an exoplanet. TRAPPIST-1e, also known as 2MASS J23062928-0502285 e, is an almost Earth-sized terrestrial extrasolar planet orbiting around the ultra-cold dwarf star TRAPPIST-1, located approximately 39 light-years (12 parsecs) away from Earth in the constellation Aquarius. It was one of seven new exoplanets to be discovered orbiting the star using observations from the Spitzer Space Telescope.

The star we today call TRAPPIST-1 was first discovered in 1999 … In particular, for planet c, Suissa and Kipping found that the probability of an iron core is modest at 57%. According to the researchers, thus ambiguity remains regarding TRAPPIST-1c’s interior.

The exoplanet is within the star's habitable zone. Description. Its sister planets gracefully light up the sky, promising another adventure just a hop away. TRAPPIST-1 is an ultra-cool dwarf star of spectral class M8.0±0.5 that is approximately 8% the mass of and 11% the radius of the Sun.

An artist's fantasy of the surface of TRAPPIST-1e, a stop on a tour of this seven-world system. First we thought there were three.