description 55 Cancri f Overview
55 Cancri f is a giant exoplanet in the multiplanet system surrounding the nearby star 55 Cancri A. Discovered through radial-velocity measurements and announced in 2007, it has a mass comparable to Saturn and completes an orbit in roughly 260 days. Its orbit crosses a region sometimes described as the star's habitable zone, but the planet itself is gaseous and is not considered an Earth-like world.
help 55 Cancri f FAQ
How long is a year on 55 Cancri f?
55 Cancri f completes an orbit in roughly 260 Earth days. It is a giant planet in the multiplanet system around 55 Cancri A.
How was 55 Cancri f discovered?
Astronomers detected 55 Cancri f through radial-velocity measurements, which track the host star's motion under the planet's gravity. Its discovery was announced in 2007.
Is 55 Cancri f similar to Saturn?
Its mass is comparable to Saturn's, making it a gas giant rather than a small rocky planet. Its orbit is also notable because it crosses a region sometimes discussed in relation to the star's habitable zone.
How many planets are in the 55 Cancri system?
The 55 Cancri A system is known for having multiple planets, including 55 Cancri f. The planets were identified mainly through long-term radial-velocity observations of the nearby star.
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