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Gliese 581c / ˈ ɡ l iː z ə / (Gl 581c or GJ 581c) is an exoplanet orbiting within the Gliese 581 system. It is the second planet discovered in the system and the third in order from the star. With a mass about 6.8 times that of the Earth, it is classified as a super-Earth (a category of planets with masses greater than Earth's up to ten ...
Gliese 581 (/ ˈ ɡ l iː z ə /) is a red dwarf star of spectral type M3V which hosts a planetary system, 20.5 light-years (6.3 parsecs) away from Earth in the constellation Libra. Its estimated mass is about a third of that of the Sun, and it is the 101st closest known star system to the Sun. [15] Gliese 581 is one of the oldest, least active ...
Later work suggests that Gliese 581 c would probably be too hot for liquid water. It was then suggested that Gliese 581 d might be warm enough for oceans if a greenhouse effect was operating. [23] Gliese 581 d is eight times the mass of the Earth and might have a thick atmosphere. Gliese 581 d looks an even better candidate
Gliese 581c, [46] Gliese 581g, [47] [48] Gliese 581b, [49] and Gliese 581e [50] may be tidally locked to their parent star Gliese 581. Gliese 581d is almost certainly captured either into the 2:1 or the 3:2 spin–orbit resonance with the same star. [51] All planets in the TRAPPIST-1 system are likely to be tidally locked. [52] [53]
Mass Effect 2: Arrival is a downloadable content pack for the 2010 action role-playing video game Mass Effect 2.Set within the Milky Way galaxy during the 22nd century, it follows the events of an imminent invasion of a highly advanced machine race of synthetic-organic starships that plan to conquer the galaxy through the Alpha Relay, a mass transit device which enables interstellar travel.
With Gliese 581c having a mass of at least 5 Earth masses and a distance from Gliese 581 of 0.073 astronomical units (6.8 million mi, 11 million km), it is on the "warm" edge of the habitable zone around Gliese 581 with an estimated mean temperature (without considering effects from an atmosphere) of −3 degrees Celsius with an albedo ...
Dubbed Gliese 12 b, the planet takes 12.8 days to orbit a star that is 27% of the sun’s size. It’s not yet known whether the exoplanet has an atmosphere.
The Cerberus Network is an online downloadable content and news service for Mass Effect 2.It can be accessed from the game's main menu. Mass Effect 2 is an action role-playing video game developed by BioWare and released for Microsoft Windows and Xbox 360 in 2010, and for PlayStation 3 in 2011.