Charles Olivier and the Rise of Meteor Science (Springer

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Conditions haven’t been this good since 2010. Here is the story of its visit to Vesta. Other viewers have contacted us since we first showed the tape on Action News at five to say they saw it too. Before the Jupiter encounter, its perihelion was 4.9 AU (733 million km, or 455 million miles), beyond the region where water ice sublimation is significant. Even Halley's comet had an unexpected outburst in 1991; it brightened by a factor of 300 while it was outbound and well beyond the orbit of Saturn.
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The Planet Neptune: An Historical Survey Before Voyager

Patrick Moore

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During the time this photograph was taken, Boattini was a southern hemisphere object... The team predicted the jets would shoot up for a short distance, and then be dispersed into a halo around Wild 2. North polar hexagonal cloud feature, discovered by Voyager 1 and confirmed in 2006 by Cassini is shown. This forms a gas cloud that is stretched by solar winds to form their famous tail. Even so, falling meteorites have caused damage to property, livestock, and even people in historic times.
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Comets (Let's-Read-and-Find-Out Science Book)

Franklyn Mansfield Branley

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As comets approach the sun, solar wind and the sun's magnetic field sweep particles from the coma into tails that stretch behind the comet's head. Essay Questions/Writing Assignments These 20 Essay Questions/Writing Assignments can be used as essay questions on a test, ... Because of this meteor, Earth got much cooler for a while, and most of the dinosaurs died. A dark matter halo appears to dominate the mass, although the nature of this dark matter remains undetermined. [82] This image shows several blue, loop-shaped objects that are multiple images of the same galaxy, duplicated by the gravitational lens effect of the cluster of yellow galaxies near the middle of the photograph.
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NASA's Deep Impact: First Look Inside a Comet

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And 100 years ago today—April 20, 1910—we got a pretty good look at the most famous of them all, Comet Halley, as it passed the Earth at a distance of just 23 million km (14 million miles). The constellation in which the radiant of a particular shower is located also determines its name, e.g. the radiant of the Leonids is in Leo. If many more meteors are together, this event is called a meteor storm. More recently, the term has sometimes been used to describe a second full moon in a single month.
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The Motion, Evolution of Orbits, and Origin of Comets

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Eventually, if it's mostly gas, it'll disintegrate. Meteor Showers Online is devoted to the amateur observation of the phenomenon and provides some practical advice for hobbyists. The focus of his attention are 'near-Earth' asteroids. "We are familiar with about 90 percent of the larger ones in this category, but there are also a great many smaller ones, some of them concealed, meaning that we cannot observe them." In other words, the Sun should spin much more rapidly than it does.
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Ford 1970 Car Shop Manual Volume 3 Electrical

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The best-ever global color map of Neptune's strange moon Triton. New York: McGraw-Hill Book Co., (309 pp). If you are looking for a web site that has a lot of links to other articles and stories about space I would look at the site (. Thankfully the chances of this happening are fairly slim, but in the long term it's bound to happen. The increase of lithometeors frequency as well as the wind velocity during the drought period is not explained by the aridification." [7] Def. "[t]he solid material thrown into the air by a volcanic eruption that settles on the surrounding areas" [8] is called tephra. "[T]ephra, is a general term for fragments of volcanic rock and lava that are blasted into the air by volcanic explosions or carried upward in the volcanic plume by hot, hazardous gases.
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Planetary Systems: Formation, Evolution, and Detection

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There is evidence that about 35 million years ago, at least five comets or asteroids collided with Earth. About 33% of the meteorites are witnessed falls. More extensive star catalogues were produced by Lacaille. So it was a great chance.'' The phenomenon will repeat itself once again in the month of September when Mercury returns back to the same position. "If the asteroid strikes a satellite in 2029, that will change its trajectory making it hit earth on its next orbit in 2036.
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Comets (The Galaxy)

Gregory L. Vogt

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The Astronomical Society of the Pacific is an international nonprofit scientific and educational organization founded in 1889 that works to increase understanding and appreciation of astronomy. George Ellery Hale (June 9, 1868 - February 21, 1938) was an astronomer who founded the Yerkes Observatory (1892), the Mt. It is the first time images from space have revealed a river system so vast and in such high resolution anywhere other than Earth. (Credit: NASA/JPL-Caltech/ASI) Dec. 12, 2012 — Scientists with NASA's Cassini mission have spotted what appears to be a miniature, extraterrestrial likeness of Earth's Nile River: a river valley on Saturn's moon Titan that stretches more than 200...
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Abstracts presented to the topical conference, Global

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Guest lecturers over the years included Sir John Eccles, George Beadle, Charles Huggins, Philip Morrison, Vernon Mountcastle, Peter Oxnard, and many others. The near-Earth asteroids are relatively abundant in heavy metals like iron and nickel and the platinum-group metals (platinum, palladium, rhodium, ruthenium, osmium, and iridium) used in modern technology. Some scientists think asteroids formed much closer to the Sun, where it was too warm for any ices to remain solid, while comets formed farther from the Sun and were therefore able to retain ice.
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High-Pressure Shock Compression of Solids V: Shock Chemistry

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Like in its contemporary Deep Impact, we see the social fabric of the planet falling apart as the impact gets closer and closer. The sun illuminates this trail, causing it to glow. The compositions of asteroids are very similar to those of meteorites and this has led to the idea that meteorites originated in the asteroid belt. Most of them go around the sun in the asteroid belt. Many asteroids seemingly have been captured by a planet's gravity and become moons — likely candidates include among Mars' moons Phobos and Deimos and most of the distant outer moons of Jupiter, Saturn, Uranus and Neptune.
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