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The smallest planet in our Solar System is Mercury. The second-smallest is Mars, which has MORE than half of Earth's diameter.

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Patience Graham

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Q: What planet diameter is less one-half the length of earth's diameter?
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What planet diameter is one less than half length of earth's?

Mercury. It has a diameter of around 4880km, while Earths diameter is 12104 km on average.


What planet diameter is less than one half the length of earth diameter?

Mercury. It has a diameter of around 4880km, while Earths diameter is 12104 km on average.


What are the planet's diameters?

Mercury's diameter (at the equator) = 4880km or 0.3825 x Earths diameter Venus' diameter = 12,104km or 0.9488 x Earths Earth's diameter = 12,756km Mars' diameter = 6794km or 0.5323 x Earths Jupiter's diameter = 142,984km or 11.21 x Earths Saturn's diameter = 120,534km or 9.45 x Earths Uranus' diameter = 51,114km or 4.01 x Earths Neptune's diameter = 49,532km or 3.88 x Earths (Pluto's diameter = 2306km or 0.18 x Earths) I included Pluto on the end there, its not classed as a planet any more though, but a dwarf planet.


Which planet is most like Earth in diameter and mass?

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.


What is the third largest planet diameter?

Uranus is third largest. Diameter = 51115km, about 8 times that of Earths diameter.


What planet length in day is close to the length of earths day?

Mars.


Which planet is most like earth in size and mass?

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.


Which other planet in the solar system closest in size to the 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.


Is planet Venus smaller or bigger?

... than Earth. Smaller. Venus' Mass is around 82% of Earths, while its diameter is a little smaller than Earths at around 95% of Earths diameter.


What planet is closest to the earth in width?

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.


What is the planet nearest to earth in size?

VenusVenusVenusVenus, often referred to as our twin planet. It has a volume which is about 85.7% of earths, while it's mean diameter is about 95% of earths.


How big around is the planet earth?

Earths diameter at the equator is around 40,074 km