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150 Years American Museum of Natural History

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26 Results for "Mars"

olc_051_mars_listing

Mars is often called the "red planet." It's red because its surface is covered with rusted particles of iron.

Character illustration of planet Mars, shivering in space.

Find out what we know about Mars in this online tour of Earth's closest neighbor.

Do you have what it takes to go on a space mission to Mars?

Let your imagination run wild, and write an inspiring work of science fiction.

Take an expedition across the Martian landscape with this video, then test your knowledge!

olc_063_viking_listing

The Viking mission was the first to explore Mars' surface. Two spacecraft, Viking 1 and 2, each with an orbiter and a...

olc_064_pathfinder_listing

Pathfinder landed on Mars' surface carrying thesix-wheeled Sojourner rover, a mobile robot. Rover and lander took ov...

olc_342_curiosity_rover_listing

If there's life on any other planet in our solar system, it's probably on Mars. Scientists have sent orbiters, lander...

olc_062_sojourner_listing

On July 5, 1997, the six-wheeled robotic rover, Sojourner, rolled down a ramp from the Pathfinder spacecraft onto the...

olc_058_asteroids_listing

Asteroids are space rocks that have existed since the formation of the planets over 4.6 billion years ago. Scientists...

olc_074_nasa_listing

The National Aeronautics and Space Administration (NASA) runs the space program, but that's just part of what they do.

olc_050_earth_listing

The Earth is our home. So far, it's the only place that we know of that has life. Everywhere you look on Earth there...

olc_081_solar_system_listing

A solar system is made up of a star and everything that travels around it. Solar means "of the sun.

olc_163_johannes_kepler_listing

Considered a pioneer in astronomy, Johannes Kepler is best known for his three laws of planetary motion.

olc_053_saturn_front

Saturn is known for the beautiful rings that form a giant hula hoop around it. The rings are made of chunks of ice an...

olc_054_uranus_listing

The oddest thing about Uranus is that the planet, its rings, and its moons "roll" around the Sun on an axis...

olc_055_neptune_listing

The smallest and most distant of the "gas giant" planets. Neptune has much in common with its three huge ne...

olc_078_craters_listing

Craters are formed when objects from space crash onto a planet's surface. The impact blasts a hole or impression wher...

Take a virtual tour of our solar system to explore its many mysteries.

olc_057_comets_listing

Comets are like "dirty snowballs" that have orbited the Sun since our Solar System formed, billions of year...

olc_059_meteorites_listing

Did you ever see a "shooting star"? What you really saw was a meteor burning up in the Earth's atmosphere.

olc_069_extraterrestrial_life_listing

Are we alone in the Universe? There are billions of stars in our galaxy, and 100 billion galaxies in our Universe.

olc_048_mercury_listing

If you ever go to Mercury, bring your sunscreen because it is the planet closest to the Sun. You'll also need a pair...

olc_049_venus_listing

Venus and Earth are sometimes called sister planets because of their similar size, but don't let this comparison fool...

olc_168_space_listing

When we think of "space," we often think of "outer space" -- the vast, empty, dark space that sur...

olc_164_galileo_galilei_listing

Galileo was a "jack of all trades." He was a musician, a philosopher, a physicist, and an astronomer. He is...

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