How big is Mars in diameter?

Answer 1

The "AU" ... astronomical unit ... is the average distance between the earth and sun,

roughly 93 million miles.

The diameter of the planet Mars is roughly 4,200 miles, or 0.0000452 AU.

The semimajor axis of Mars' orbit is about 141.6 million miles, or about 1.52 AU.

Answer 2

Mars is the fourth planet from the Sun in the Solar System. Its diameter is only about half as great as Earth, so its surface area and volume are much smaller. It has only about 11% of Earth's mass, but its smaller diameter improves its surface gravity, which is about 38% of Earth's gravity.

• Its equatorial radius is 3,396.2 ± 0.1 km or 0.533 Earths,
• Its polar radius is 3,376.2 ± 0.1 km or 0.531 Earths,
• Its surface area is 144,798,500 km² or 0.284 Earths,
• Its volume is 1.6318 × 1011 km³ or 0.151 Earths,
• Its mass is 6.4185 × 1023 kg or 0.107 Earths.

Answer 3

Mars has a diameter of about 6,779 kilometers (4,212 miles). It is smaller than Earth, with about half the diameter of our planet.

Answer 4

10,600km long+ 8,500km wide

Answer 5

the size of mars is 1,432 miles

Answer 6

400,9000

Answer 7

240,000 km

Answer 8

59.990