Planetary Science Flashcard

Front

How deep is Valles Marineris?

Back

Valles Marineris is approximately 100 km deep, making it one of the largest canyons in the solar system.

Front

What is the average temperature on Mars?

Back

The average temperature on Mars is about -60 degrees Celsius.

Front

What is the term for the point in the orbit that is farthest from the sun?

Back

The term for the point in the orbit that is farthest from the sun is 'Aphelion'.

Front

How long is a Martian day?

Back

A Martian day, also known as a sol, is approximately 24 hours and 39 minutes.

Front

Which planet has the densest composition overall?

Back

Mercury has the densest composition overall among the planets in our solar system.

Front

What is the term for the point in the orbit that is closest to the sun?

Back

The term for the point in the orbit that is closest to the sun is 'Perihelion'.

Front

What is the primary component of Mars' atmosphere?

Back

The primary component of Mars' atmosphere is carbon dioxide (about 95%).

Front

What is the largest volcano in the solar system?

Back

The largest volcano in the solar system is Olympus Mons, located on Mars.

Front

What is the significance of the asteroid belt?

Back

The asteroid belt is a region between Mars and Jupiter that contains numerous rocky bodies and is thought to be remnants from the early solar system.

Front

What is the main reason for the seasons on Earth?

Back

The main reason for the seasons on Earth is the tilt of its axis relative to its orbit around the sun.