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Young Voices for the Planet DVD in our online store includes 8 films where students speak out and take action on climate change.
This drawing shows how forming planets drew molecules to themselves for an atmosphere.
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Image from: The New Solar System

How a planet-to-be sweeps up nearby material to be part of itself

As shown in this picture, while they were forming in the solar nebula, the core of the planets-to-be drew material to themselves from the cloud of gas and dust around them. The bigger planets-to-be were able to draw even more material unto themselves because of gravity.

Because of it's position in the solar nebula, the proto-Jupiter, was able to draw an enormous amount of gas unto itself, and become the biggest of the planets.


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Our online store includes fun classroom activities for you and your students. Issues of NESTA's quarterly journal, The Earth Scientist are also full of classroom activities on different topics in Earth and space science!

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Cool It! Game

Check out our online store - minerals, fossils, books, activities, jewelry, and household items!...more

The position of Jupiter when gas changed to ice

The position of the planets in the solar nebula affected how big they became and what they were made of. The blue line in the picture shows where it became so cold that ice began to form. Planets that...more

The Beginning of the Solar System

Scientists believe that the solar system was formed when a cloud of gas and dust in space was disturbed, maybe by the expl osion of a nearby star (called a supernova). This explosion made waves in space...more

A Look at the History of Jupiter's Atmosphere

The giant planets have definitely changed since their formation. But how much remains to be seen. Most of the original air of the giant planets remains in place. (The earth-like planets lost most of their...more

Jupiter's Mesosphere

The mesosphere of Jupiter is a region of balance between warming and cooling. That essentially means that nothing happens there. Except for diffusion, the atmosphere is still. Upper reaches of the atmosphere,...more

An Overview of Jupiter's Atmospheric Structure

As on Earth, the atmosphere of Jupiter consists of a troposphere, stratosphere, mesosphere, and thermosphere. The troposphere is the region where the visible clouds are to be found. The stratosphere, as...more

Jupiter's Stratosphere

The stratosphere of Jupiter is a region of warming as determined by infrared measurements of methane (CH4) in the region. Like the troposphere, the stratosphere is warmed by the sun, warmed by Jupiter's...more

Jupiter's Troposphere

The troposphere of Jupiter is where the clouds are. Clouds form in regions of strong atmospheric motion, when condensation takes place. The troposphere is the region rapidly stirred by vertical motions....more

Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA