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Mercury is the innermost and smallest planet in the solar system, orbiting the Sun once every 88 days. It ranges in brightness from about -2.0 to 5.
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- plus a rubric. MERCURY WEB LINKS/REFERENCES Mercury from the from the Jet Propulsion Lab. Mercury at the web site " " ...
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Mercury is a heavily cratered planet; its surface is similar to the surface of our Moon. Cratering on Mercury triggered volcanic eruptions that filled much of the surrounding area.
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MercuryA mosaic of images of Mercury taken by the Mariner 10 mission. Image courtesy NASA/JPL-Caltech Mercury is the closest planet to the Sun. With a diameter of 4880 km, it is the second smallest.
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Mercury Map Images Mercury Photo/Animation Gallery Mercury was named by the Romans after the fleet-footed messenger of the gods because it seemed to move more quickly than any other planet.
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Mercury, a planet that's often lost in the glare of the Sun, tantalizes sky watchers this December. That's because Mercury swings to the eastern edge of its orbit as seen from Earth, staying out in the evening sky for an elongated amount of time.
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Mercury means: In astronomy mythology, Mercury was the Roman version of the god Hermes. He was the messenger for the other gods, and for this reason Mercury is often depicted in pictures with winged sandals.
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Mercury's orbital period is just shy of 88 days, but its rotation around its axis was for a long time a mystery: sometimes its surface markings (to the extent telescopes managed to resolve this small planet) repeated in a way suggesting that, ...
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mercury, and it's position in the sky at birth is used in astrology to describe thought processes. mercury symbolizes: ...
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MercuryMean Distance from the Sun0.39 AU (57.91 million km / 35.35 million miles) ...
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From Mercury, the Sun appears two and a half times larger than it does on Earth. The sky would appear black because there's little atmospheric scattering of light.
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Definition: Mercury: Closest planet to the sun. Named for the Roman god of trade a profit. Space Tragedies9 Planets in Nine Days Astronomy 101 Related Articles ...
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Mercury is only about one-third the size of the Earth. It is smaller than any other planet. Mercury is very close to the Sun and has no substantial atmosphere.
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Mercury has played an important role in the development and testing of theories of the nature of gravity because its elliptical, ...
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Mercury ( planet) Wikipedia, the free encyclopedia - Cite This Source Mercury is the innermost and smallest planet in the solar system, orbiting the Sun once every 88 days. It ranges in brightness from about âˆ'2.0 to 5.
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Mercury is not a good place for a vacation. Searing hot in the day, and frigid cold at night, any future human outposts on Mercury would likely be bathed in eternal twilight.
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Mercury Close Up The small, bright halo (center) is 10 km (6 mi) in diameter. The prominent crater further left, which has a central peak, is 30 km (19 mi) across. The darker, lightly cratered area (upper left) may be an ancient lava flow.
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MESSENGER's path to MercuryThese animations show how NASA's MESSENGER spacecraft will get to Mercury. Your are not currently logged in. To view this page you must be a subscriber to Astronomy magazine.
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Freddie Mercury , was a United Kingdom singer-songwriter, pianist, guitarist and co-founder of the Rock music Musical ensemble Queen . As a performer, he was known for his vocal prowess and flamboyant performances....
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MERCURYMERCURY, in the solar system, the planet closest to the sun. Its mean distance from the sun is approximately 58 million km (about 36 million mi); its diameter is 4875 km (3030 mi); its volume and mass are about 1/18 that of the earth; ...
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Mercury: Because the day is exactly two years long (due to orbital resonance), the method of plotting the sun's position at the same time each day would only yield a single point.
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Mercury lacks an atmosphere to speak of. Even though most of its surface is very hot, there is strong evidence that water ice exists in locations near its north and south poles which are kept permanently-shaded by crater walls.
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MERCURY will rise almost 2 hours before the Sun at the beginning of March and be quite easy to spot in the morning twilight. It will be about 12° up about 45 minutes before sunrise, a little to the south of east.
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Mercury Image above: Mercury is hot and cold. Credit: NASA Running Hot and Cold ...
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Mercury is a bit surprising because it has a weak magnetic field. Mercury is the smallest of the terrestrial planets, so its interior should have cooled off long ago. Also, Mercury spins slowly---once every 58.8 days.
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Mercury, Venus, Mars, Jupiter, and Saturn have been known for a very long time...but no one knows when they were first seen. Being such bright objects in the sky, they have been known and observed by ancient civilizations.
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MercuryThe closest planet to the Sun. The temperature range on Mercury's surface is the most extreme in the solar system, ranging from about 400° C (750° F) during the day to about -200° C (-300° F) at night.
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MERCURY - AstronomyRate these videos or search for more Search over 100 encyclopedias and diction aries: ...
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Mercury, Venus, Earth, and Mars. theories - (n.) Detailed explanations of the beh avior of matter based on experiments; may be revised if new data warrant.
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Mercury-Cadmium-Telluride (HgCdTe) -- A semiconductor alloy useful as an infrared photoelectric detector. Also known as CMT (Cad-Mer-Tel) [McL97] Mercury ...
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Near Mercury The U.S. Mariner 10 probe transmits the first image of Mercury. 1975 A.D.
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[12.3] MERCURY, ZINC-AIR, & SILVER OXIDE BUTTON CELLS [12.4] LEAD-ACID, EDISON, NICAD, & NIMH CELLS [12.5] LITHIUM TECHNOLOGY ...
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July 8 - Mercury at Greatest Eastern Elongation. The planet Mercury attains its greatest angular separation from the Sun and will be visible low in the western sky at dusk.
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1961 Original Mercury Astronauts Selected, The Evolution of Manned Spacecraft (1961-1981), First American,Alan Shepard, launched into space, May 5, 1961 ...
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manometric equivalent (NASA SP-7, 1965) The length in millimeters of a vertical column of a given liquid at standard room temperature equivalent to 1 millimeter of mercury at 0° C. manures (NASA Thesaurus) Materials that fertilize land.
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On the other hand the enigmatical motion of the perihelion of Mercury has not yet found any plausible explanation except on the hypothesis that the gravitation of the sun diminishes at a rate slightly greater than that of the inverse square - the ...
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Gienah's odd chemical composition separates it from the more ordinary "blue giants," the star a member of the class of " mercury- manganese" stars, the brightest of which is Alpheratz in Andromeda.
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1761 - Joseph-Nicolas Delisle 62 observing station network for observing transit of Venus (& Mercury) 1769 - Short reflectors used at 63 station network for transit of Venus 1840 - J.W.
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Darker regions show greater concentrations of mercury on the surface of Alpheratz. The mercury clouds tend to concentrate along the equator, probably due to the star's rotation. Credit: Kochukhov et al./Nature) ...
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The famous astronomer Sir Edmund Halley of cometary fame suggested observing Mercury or Venus as they passed directly in front of the Sun. (Such passages are called transits and they are not common.
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One for sun light, one for yellow (incandescent) light and one for blue ( mercury vapor) light. To get the proper color, I use the sun light setting of my camera.
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It explained in a natural way why Mercury and Venus stayed close to the sun. The Ptomelaic system had been required to link the motions of these planets to the sun in an artificial way (i.e., different from the other planets) to fit this beh avior.
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Titan is larger than the planet Mercury and only a bit smaller than Mars. The infrared images of Titan's surface show a bright area which is a surface feature that is about 2,500 miles across (about the size of Australia).
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See also: Earth, Planet, Sun, Solar, Orbit
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