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  2. List of Solar System objects by size - Wikipedia

    en.wikipedia.org/wiki/List_of_Solar_System...

    The sizes and masses of many of the moons of Jupiter and Saturn are fairly well known due to numerous observations and interactions of the Galileo and Cassini orbiters; however, many of the moons with a radius less than ~100 km, such as Jupiter's Himalia, have far less certain masses. [5]

  3. List of largest exoplanets - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_exoplanets

    The sizes are listed in units of Jupiter radii (R J, 71 492 km).This list is designed to include all planets that are larger than 1.6 times the size of Jupiter.Some well-known planets that are smaller than 1.6 R J (17.93 R 🜨 or 114 387.2 km) have been included for the sake of comparison.

  4. HD 189733 b - Wikipedia

    en.wikipedia.org/wiki/HD_189733_b

    HD 189733 b is an exoplanet in the constellation of Vulpecula approximately 64.5 light-years (19.8 parsecs) away [7] from the Solar System.Astronomers in France discovered the planet orbiting the star HD 189733 on October 5, 2005, by observing its transit across the star's face. [1]

  5. This giant gas planet is as fluffy and puffy as cotton candy

    www.aol.com/news/giant-gas-planet-fluffy-puffy...

    Astronomers have identified a planet that’s bigger than Jupiter yet surprisingly as fluffy and light as cotton candy. The gas giants in our solar system — Jupiter, Saturn, Uranus and Neptune ...

  6. Jupiter - Wikipedia

    en.wikipedia.org/wiki/Jupiter

    Although Jupiter would need to be about 75 times more massive to fuse hydrogen and become a star, [68] its diameter is sufficient as the smallest red dwarf may be slightly larger in radius than Saturn. [69] Jupiter radiates more heat than it receives through solar radiation, due to the Kelvin–Helmholtz mechanism within its contracting interior.

  7. This giant gas planet is as fluffy and puffy as cotton candy

    lite.aol.com/news/story/0001/20240514/2044b95d10...

    CAPE CANAVERAL, Fla. (AP) — Astronomers have identified a planet that’s bigger than Jupiter yet surprisingly as fluffy and light as cotton candy. The exoplanet has exceedingly low density for its size, an international team reported Tuesday. The gas giants in our solar system — Jupiter, Saturn, Uranus and Neptune — are much denser.

  8. HD 189733 - Wikipedia

    en.wikipedia.org/wiki/HD_189733

    HD 189733 A has one known planet, designated HD 189733 b, a gaseous giant 13% larger than Jupiter close enough to complete an orbit every two days. Using spectrometry it was found in 2007 that this planet contains significant amounts of water vapour. This planet is the second extrasolar planet where definitive evidence for water has been found.

  9. Mysterious planet 10 times bigger than Jupiter disproves ...

    www.aol.com/news/massive-planet-10-times-bigger...

    Scientists have discovered a giant planet orbiting a massive pair of extremely hot stars, an environment previously thought too inhospitable for a planet to