How many days does it take for Mars to obit around the sun? and Earth?

Answer 1

About 687 days for Mars. 365 days for the Earth to orbit the sun, but you knew that, didn't you?

Answer 2

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You're missing that our calendars are not exactly in synch with the Earth's motions. Even an extra day every 4 years only keeps us close but not exactly in synch. The equinoxes fall about six hours later every year (which adds up to one full day in four years). They are reset when we have a leap year (the last leap year was in 2008, so the equinoxes are 12 hours later than 2 years ago, which is enough to put it in the next calendar date). And though our motion around the sun is actually slowing by a very tiny amount (due to the very slight loss of mass of the sun), it isn't noticeable or measureable without incredibly sensitive instruments.

Answer 3

It takes Mars about two Earth years to orbit the Sun. Mars doesn't orbit the Earth, it orbits the sun along with the Earth

Answer 4

One year on Mars equals 687 Earth days (or 1.88 Earth years).

If you're also asking about the orbital period of Earch (which...should not be alien to an Earthling), it's 365.25 days. 1 day equals approximately 23 hours and 56 minutes.

Answer 5

Eagleflyer has the right numbers but I hope you weren’t asking how long it takes Mars to orbit the Earth. Both planets orbit around the Sun, not eachother.

Answer 6

Earth orbits the sun once every 365 and a quarter days.

Mars orbits the sun every 687 earth days and rotates on its axis once every 24 hours and 37 minutes.

Answer 7

the time taken for Mars to go once round the Sun, which is also called "The planet's sidereal period", is 687 Earth-days
and that of earth is 365.25 days.

Answer 8

A martian year is about 686.96 of our days long, as opposed to one earth year of 365.2564 days.