Mercury and Venus

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Mercury

Mercury is the planet closest to the sun
It is only a little bigger than Earth's moon
The surface is covered with dents called craters
Days are hot, nights are cold
Average distance from the sun: 57,900,00 km (35,983,000 mi)
Diameter: 4,879 km (3,032 mi)
Length of a year in Earth time: 88 days
Average surface temperature: 177 celsius (243 ferenheit)
NO MOONS
Weight of a child who is 75 pounds on Earth: 28.5 pounds
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Venus

About same size as Earth

Is covered by thick, hot, poisonous clouds

This makes Venus one of the brightest objects in Earth's night sky

Venus is hot and dry

Is covered by craters, cracks, and ridges

Hottest planet in solar system

Average distance from the sun: 108,200,000 km (67,200,000 mi)

Diameter: 12,104 km (7,521 mi)

Length of a year measured in Earth time: 225  days

Average surface temperature: 464 celsius (867 ferenheit)

NO MOONS

Weight of a child who is 75 pounds on Earth: 68.25 pounds

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Calculations

Distance Mercury is from the sun: 57,900,000 km
Distance Venus is from the sun: 108,200,000 km
So Mercury and Venus are 50,300,000 km away

Distance Venus is from the sun: 67,200,000 mi
Distance Mercury is from the sun: 35,983,000 mi
So Mercury and Venus are 31,217,000 mi away

Diameter of Venus: 12,104 km
Diameter of Mercury: 4,879 km
So Venus is 7,221 km bigger than Mercury


Diameter of Venus: 7,521 mi
Diameter of Mercury: 3,032 mi
So Venus is 4,489 mi bigger than Mercury
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