lots.
yes! many
There is currently no evidence to suggest that Mars has active volcanoes. However, many of its volcanoes are considered extinct, with evidence of past activity visible on the surface.
Mars was discovered beforewritten history as it has always been visible to the naked eye.
Mars has been known since ancient times, so it is difficult to attribute its discovery to a single individual. However, the planet has been observed and studied by many astronomers throughout history.
No. The volcanoes of Mars are extinct.
No
Mars has volcanoes and craters, but not rings.
No. Mars does not have plate tectonics. The volcanoes on Mars are the result of hot spots.
Not yet.
Life has never been proven to exist on Mars.
Mars has one very large volcano and two other types of volcanoes.
There is evidence to suggest that there were active volcanoes on Mars in the past, but currently, there are no active volcanoes on the planet. The most famous volcano on Mars is Olympus Mons, which is the largest volcano in the solar system.