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2 days ago · The atmosphere of Earth is composed of a layer of gas mixture that surrounds the Earth's planetary surface (both lands and oceans), known collectively as air, with variable quantities of suspended aerosols and particulates (which create weather features such as clouds and hazes), all retained by Earth's gravity.
5 days ago · Front of poster is a cartoon profile of the atmosphere, showing the "good and bad" roles of ozone in the stratosphere, high troposphere, mid-troposphere, and surface. On the back is a classroom activity article, beginning with an explanation of ozone's roles, and an introduction to spectroscopy.
1 day ago · Earth is surrounded by a relatively thin atmosphere (commonly called air) consisting of a mixture of gases, primarily molecular nitrogen (78 percent) and molecular oxygen (21 percent). Also present are much smaller amounts of gases such as argon (nearly 1 percent), water vapour (averaging 1 percent but highly variable in time and location ...
5 days ago · Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
5 days ago · A collection of ready-made, downloadable picture quiz rounds with a travel theme. Famous landmarks, flags, national dishes, and more.
5 days ago · When the energized particles from coronal mass ejections reach Earth’s magnetic field, they interact with gases in the atmosphere to create those different colored lights in the sky.
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5 days ago · When a solar storm comes toward us, some of the energy and small particles can travel down the magnetic field lines at the north and south poles into Earth's atmosphere. There, the particles interact with gases in our atmosphere resulting in beautiful displays of light in the sky.
