The planet you are referring to is Jupiter, which has a diameter of approximately 86,881 miles. Mercury has a diameter of about 3,032 miles, Venus has a diameter of about 7,521 miles, Earth has a diameter of about 7,917 miles, and Mars has a diameter of about 4,212 miles.
Saturn's moon Titan is larger and Jupiter's moon Callisto is smaller.
There is no planet that is one fourth the size of Earth. The closest is Mercury at 0.38 that of Earth.
Venus is closest to the Earths size and mass - often referred to as Earths sister or twin planet. Venus' Mass is around 82% of Earths, while its diameter is a little smaller than Earths at around 95% of Earths diameter.
It is Jupiter.
Mercury has a diameter of 4879 km compared to Calisto's 4821 km.
Callisto is a moon of the planet Jupiter. It is the third largest moon in the Solar System and the second largest in the Jovian system, after Ganymede. Callisto has about 99% the diameter of the planet Mercury but only about a third of its mass. It's diameter is approximately 4820km - about a third of Earth. [See link for pictorial comparison]
Venus
Venus, at 12,104 km, is closest to the Earth's diameter of 12,756 km.
Callisto is jupiter moon so Callisto comes from Jupiter
Callisto is a moon of Jupiter.
Callisto
Venus is closest to the Earth in terms of width (diameter). Its mean diameter is 12103km, while Earths is 12742km. Venus' diameter is therefore around 95% of Earths.
Venus, with a mass of 0.815 that of Earth, and a diameter of 0.949 that of Earth.
The planet you are referring to is Jupiter, which has a diameter of approximately 86,881 miles. Mercury has a diameter of about 3,032 miles, Venus has a diameter of about 7,521 miles, Earth has a diameter of about 7,917 miles, and Mars has a diameter of about 4,212 miles.
The moon Callisto was discovered in January of the year 1610. The moon belongs to the planet Jupiter.
Saturn's moon Titan is larger and Jupiter's moon Callisto is smaller.