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55 Cancri e (abbreviated 55 Cnc e, also known as Janssen / ˈdʒænsən /) is an exoplanet orbiting a Sun -like host star, 55 Cancri A. The mass of the exoplanet is about eight Earth masses and its diameter is about twice that of the Earth.
Oct 13, 2012 · Learn about 55 Cancri e, a super Earth that orbits a nearby star and has a surface of mostly graphite and diamond. This carbon-rich exoplanet challenges our understanding of planetary chemistry and diversity.
Oct 14, 2013 · An alien planet thought to be made largely of diamond may be less than glittering inside. A new study shows that the super-Earth's carbon-to-oxygen ratio may not be as high as previous research...
May 8, 2024 · Using the James Webb Space Telescope (JWST), astronomers have discovered that a scorching hot lava planet, believed to be composed of diamond, grew a second atmosphere — and that was after its...
A new study reveals how some exoplanets may be made of diamonds and silica, formed by high heat and pressure. These carbon-rich worlds are unlike any in our solar system and may be too hard to be habitable.
Nov 30, 2012 · Learn about 55 Cancri e, a super-Earth that orbits a distant star and may be made of diamond. Find out how scientists discovered its carbon-rich composition and what makes it different from Earth.
Oct 11, 2012 · The alien super-Earth planet 55 Cancri e is likely made of diamond and graphite, an not water and granite, scientists say. The discovery changes the chemical makeup of the exoplanet. Skip to...
