The answer is 22 and a half in a martian year. A martian year lasts for 687 Earth days, or 669 martian days.
Planet Mars has a year of about 687 Earth days.
A year on Mars lasts 687 Earth days. which is nearly 2 earth years.
687 Earth days = 1.88 Earth years. 365 days in a year so, 687 days -365 days= 322 days: so 687 days=1 year and 322 days 20 years is 7300 days
Mars is the planet that has a year 687 earth days long.
Mars, with a orbital period of around 687 days, almost two Earth years (which would be 730 days).
687 days is a year for mars
Rroughly 687 earth days