An infographic estimates that Mars' diamater is one half as wide as Earth.

How many miles is this estimate off?

What happened to Mariner 3?

Please enter the first three words of a sentence that shows your answers is correct.

How much further is Mars from the Sun than Earth?

How long did it take Mariner 4 to reach Mars?

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NASA writes that "Mariner 3 and 4 were identical spacecraft designed to carry out the first flybys of Mars"

What does "identical" mean in this context?

Which statement correctly compares the speed of the Earth and Mars orbiting the Sun?

Which statement correctly compares the speed of the Earth and Mars orbiting the Sun in miles per hour?

How many more minutes are in a Martian day?

Lebron James weighs 249 pounds and Steph Curry weighs 190 pounds.

How many more pounds would Lebron weigh than Steph on Mars?

How much further does Earth travel in 24 hours than Mars?

What is the range of temperatures on Earth?

An infographic estimates that Mars' diamater is one half as wide as Earth.

How many miles is this estimate off?

How much further is Mars from the Sun than Earth?

NASA writes "The pictures, played back from a small tape recorder over a long period, showed lunar–type impact craters…."

What does "period" mean in this context?

What is the main idea of NASA's article?

In the same sentence below, what is another word that means the same as "impact"?

"The pictures, played back from a small tape recorder over a long period, showed lunar–type impact craters…."?