List of largest rifts, canyons and valleys in the Solar System

High school (ages 12+)
Space & Astronomy

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Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/list-of-largest-rifts-canyons-and-valleys-in-the-solar-system

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. How long is List of largest rifts, canyons and valleys in the Solar System?Approximately 2,500 miles (4,000 kilometers)
2. How deep is List of largest rifts, canyons and valleys in the Solar System?Approximately 4 miles (7 kilometers)
3. What is the location of valles marineris?Mars
4. What is the notable rift valley on a moon?Ithaca Chasma on Titan (Saturn's moon)
5. What is Valles Marineris and why is it so big?Valles Marineris is a huge canyon on Mars that is about 2,500 miles long, 120 miles wide, and 4 miles deep. It formed when the planet's crust stretched apart, creating a giant crack.
6. Are there giant valleys on other planets or moons?Yes. Titan has Ithaca Chasma, a valley over 600 miles long, and icy moons like Europa and Ganymede have long cracks caused by tidal forces and ice movement.

Extensional Tectonics: Geological processes involving the stretching and thinning of the Earth's crust, leading to faulting and rift formation.
Lithosphere: The rigid outer part of the Earth, consisting of the crust and upper mantle.
Cryovolcanism: Volcanic activity on icy moons or planets where the eruption material is water, ammonia, or methane instead of molten rock.
Biosignature: A substance or phenomenon that provides evidence of past or present life.