Observe the location of the orbit of “Sedna” (red) in relation to the rest of the solar system
Location of the orbit of Sedna (red) in relation to the rest of the solar system.
NASA/JPL/Caltech
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Encyclopædia Britannica, Inc.Learn how eccrine glands in the skin secrete sweat through pores in the skin's surface, from which the sweat evaporates, removing heat from the body.
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Contunico © ZDF Studios GmbH, MainzWhite sharks have been neither bred nor raised in captivity, and, thus, what biologists know about their habits and natural history has come only from direct observation in the wild.
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Encyclopædia Britannica, Inc.There are fungus among us. How well do we understand them?
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NASA/GSFC Conceptual Image LabAnimation of Encke's comet being hit by a coronal mass ejection.
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© Open University (A Britannica Publishing Partner)A discussion of the Nice model (named for Nice, France) of the formation of the orbital structure of the outer planets and the Kuiper belt. The Nice model also accounts for the age of some Moon rocks.
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© Open University (A Britannica Publishing Partner)Learn about comet debris, including meteors (shooting stars).
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Encyclopædia Britannica, Inc.Kepler's theory of the solar system.
