Mars Facts - Science@NASA
网页With a radius of 2,106 miles (3,390 kilometers), Mars is about half the size of Earth. If Earth were the size of a nickel, Mars would be about as big as a raspberry.
How Big is Mars? | Size of Planet Mars | Space
网页2012年8月2日 · Mars is about half (53 percent) the size of Earth, but because Mars is a desert planet, it has the same amount of dry land as Earth.
Mars - Wikipedia
网页Mars is approximately half the diameter of Earth, with a surface area only slightly less than the total area of Earth's dry land. [2] Mars is less dense than Earth, having about 15% of Earth's volume and 11% of Earth's mass, resulting in about 38% of Earth's surface gravity.
Mars | Facts, Surface, Moons, Temperature, & Atmosphere
网页4 天之前 · What is the size of Mars? Mars is the second smallest planet in the solar system, only larger than Mercury and slightly more than half the size of Earth. It has an equatorial radius of 3,396 km (2,110 miles) and a mean polar radius of 3,379 km (2,100 miles).
In Depth | Mars – NASA Solar System Exploration
网页With a radius of 2,106 miles (3,390 kilometers), Mars is about half the size of Earth. If Earth were the size of a nickel, Mars would be about as big as a raspberry. From an average distance of 142 million miles (228 million kilometers), Mars is …
Mars: Size, distance from the Sun, orbit | Astronomy.com
网页2023年10月20日 · Size: Mars is about 4,212 miles (6,779 kilometers) in diameter. Distance from the Sun: Mars is the fourth planet from the Sun and orbits roughly 142 million miles (229 million km) away.
Mars - NASA Science
网页Mars is the fourth planet from the Sun, and the seventh largest. It’s the only planet we know of inhabited entirely by robots.
Overview | Mars – NASA Solar System Exploration
网页Mars is the fourth planet from the Sun – a dusty, cold, desert world with a very thin atmosphere. Mars is also a dynamic planet with seasons, polar ice caps, canyons, extinct volcanoes, and evidence that it was even more active in the past.
Mars Quick Facts - NASA Science
网页March 23, 2020. Download this infographic about quick facts of Mars compared to Earth. Size (equatorial diameter) Mass (amount of matter) Volume (amount of space occupied) Density (average) Planet Structure. Distance (average distance from orbit path to the Sun) Speed (velocity relative to the Sun) Year. Day. Tilt / Seasons.
InSight Landing Press Kit | Mars at a Glance - NASA Jet Propulsion ...
网页Average diameter 4,212 miles (6,780 kilometers); about half the size of Earth, but twice the size of Earth's Moon. Same land area as Earth, reminiscent of a cold, rocky desert. Mass 1/10th of Earth's; gravity only 38 percent as strong as Earth's.
- 某些结果已被删除