3 Mars Mysteries We Really Should Have Solved By Now

The video explores three major mysteries of Mars: the presence of methane, the formation of gullies, and the differences between the planet's hemispheres. Methane spikes detected by the Curiosity Rover suggest possible biological or geological activity. Gullies on Mars may have been formed by water, dry ice sublimation, or volcanic activity. The northern and southern hemispheres of Mars differ significantly, possibly due to a massive impact. These mysteries highlight the complexity of Mars and the need for further exploration.

What was the significance of the methane spike detected by the Curiosity Rover on Mars?

• It showed that Mars has a thick atmosphere.

• It confirmed the presence of water on Mars.

• It indicated the presence of a new mineral.

• It suggested the possibility of life or geological activity.

What is one possible explanation for the formation of gullies on Mars?

• Wind erosion

• Impact from meteorites

• Erosion by liquid water

• Sublimation of dry ice

Why is the idea of a past ocean on Mars controversial?

• Mars has no atmosphere to support water.

• There is conflicting evidence about the presence of water.

• Mars is too far from the Sun to have water.

• The surface of Mars is too hot for water.

What is the most popular theory for the difference between Mars' northern and southern hemispheres?

• Erosion by wind

• A large impact event

• A massive volcanic eruption

• Tectonic plate movement

What would be a consequence if early Mars was highly volcanically active?

• Mars would have more craters.

• Mars would have lost much of its water early on.

• Mars would have a thicker atmosphere.

• Mars would have retained more water.

What is one reason why the theory of a massive impact on Mars is questioned?

• Mars' gravity is too weak to support impacts.

• Mars' atmosphere is too thin for impacts.

• There is no clear crater rim in the northern hemisphere.

• There is no evidence of volcanic activity.

What is the main takeaway from the ongoing exploration of Mars?

• Mars is completely understood.

• Mars is identical to Earth.

• Mars has no geological activity.

• There are still many mysteries to uncover.