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We now offer the Cool It! card game in our Science Store. Cool It! is the new card game from UCS that teaches kids about the choices we have when it comes to climate change.
This is a drawing of the Galileo probe exploring the environment of Jupiter.
Click on image for full size
Image from: The Jet Propulsion Laboratory

Can there be Life in the Environment of Titan?

The air of Titan is a lot like the Earth's, except that it is very cold, from -330 degrees to -290 degrees! Like the Earth, there is a lot of Nitrogen and other complex molecules.

There also may be an ocean made of methane molecules, or maybe even a layer of water inside the moon. Some creatures on Earth can live in an environment of very cold water.

Except for the cold, these signs would be friendly for some sort of life.

Overall, however, not much is known about the moon Titan. Up close exploration with a probe, as shown in this drawing, would help scientists better figure out if life could survive there.

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Our online store includes issues of NESTA's quarterly journal, The Earth Scientist, full of classroom activities on different topics in Earth and space science, ranging from seismology, rocks and minerals, oceanography, and Earth system science to astronomy!

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A Comparison of Saturn's Icy Moons, and the Earth's Moon

This is an image of the Earth's moon, shown in the lower left, with the icy moons of Saturn. The moons in order, starting from the top left are: Mimas, Enceladus, Tethys, Dione, Rhea, and Iapetus. ...more

Dione

Dione was discovered by G. Cassini in 1684. Dione is the 7th farthest moon from Saturn. It is a small icy moon, lightly cratered, with white streaks across the surface. Dione is about as wide as the Oregon...more

The Surface of Dione

The surface of Dione does not have many craters, which means that the surface has changed in the past. Instead of many craters, it has wispy white streaks like the ones on Rhea, which go for many kilometers...more

The Surface of Enceladus

The surface of Enceladus does not have many craters. Instead it has grooves similar to those found on Ganymede. These grooves extend for many kilometers over the surface. The presence of grooves indicates...more

Helene

Helene was discovered on February 29, 1980, by French scientists. Although Helene is very far away, they were able to see this small moon by using a powerful telescope and fancy camera. A few months later,...more

Hyperion

Hyperion was discovered by W. Bond in 1848. Hyperion is the 3rd farthest moon from Saturn. Hyperion is about the size of a large county or small state. One of the main things about Hyperion is its unusual...more

Rhea

Rhea was discovered by G. Cassini in 1672. Rhea is the 5th farthest moon from Saturn. Rhea is one of the icy moons. Rhea is about as wide as the state of California is long. Rhea is has many craters and...more

The Surface of Rhea

The surface of Rhea is like many icy moons. Rhea is heavily cratered (even if it doesn't look like it in this picture). In fact, Rhea is has an many craters as Mimas, the "death star" moon. It also appears...more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF