A volcano called Olympus Mons lies near the...
Tharsis Ridge
Curiosity finds evidence of organic molecules in the rocks and atmosphere of Mars. Organic molecules are the bu
Building blocks
In 2015, scientists found the best evidence yet that li...
Liquid
Phobos has an uneven rounded shape and measures only about ? by ? by ? miles (? by ? by ?km) in diameter
17 by 14 by 11 miles (27 by 23 by 18 km) (this is hard)
urther studies may find more evidence of life on
Mars
Olympus Mons is about ___ miles wide and __ miles high...
341 miles (549 km) wide and 14 miles (22.5 km) high.
1975 Scientists send off the spacecraft Viking 1 and Viking...
2
They saw that, as Mars’s weather warms se...
Seasonally
Every 100 years, Phobos gets almost... feet closer to mars
7 feet
They want to know if there was ever...there
Life
What is the largest volcano on mars?
Olympus Mons
1877 Scientist Asaph Hall discovers Mars’s m, Deimos and Phobos.
Moons
In 2006, scientists studied pictures of Mars that a spacecraft took in 1999, 2001, and...
2005
Deimos is farther from Mars and orbits the planet more slowly than Phobos, completing its orbit once every ?? hours.
30 hours
In 2018, the Curiosity rover found organic molec
Molecules
Some scientists believe that, long ago, Mars had an ocean that wore away the ...and formed the...
Rock and cliff
1971 The spacecraft Mariner 9 begins orbiting Mars and taking pictures of .
Mars
What year did rovers land on mars?
2004
scientists think the moon will crash into Mars in about ? years
50 million
Curiosity rover found...molecules
Organic
Some scientists believe that, long ago, Mars had an ? that wore away the rock and formed the cliff.
Ocean
In 2021 The Perseverance rover lands on Mars. It searches for signs of ancient life and sends back the first re..
Recording
They discovered this water is very..., which allows it to be liquid in Mars’s cold and thin atmosphere.
Salty
the smaller of Mars’s moons is called Dei...
Deimos
In ..., the Mars Science Laboratory rover Curiosity arrived on the Martian surface, ready to collect rock samples
2012