Examlex
Investigations of the mechanisms and consequences of the evolution of macromolecules make up the field of _______.
Orbits Around
The path of a celestial body as it moves through space under the influence of another body's gravitational force.
Cassini Spacecraft
A robotic spacecraft sent by NASA to study the planet Saturn and its system, including its rings and natural satellites.
Huygens Probe
A space probe that landed on Titan, Saturn's largest moon, in 2005 to study its surface and atmosphere.
Impact Craters
Circular depressions formed by the collision of a meteorite, asteroid, or comet with the Earth's surface.
Q44: Humans reached North America approximately _ years
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Q90: Humans evolved during the _ era.
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