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Mercury planet

Our solar system consists of the Sun, the planets and their moon satellites, asteroids (small planets), comets, and meteorites. The planets are generally divided into two categories Earth-like (terrestrial) planets—Mercury, Venus, Earth, and Mars and Giant planets—Jupiter, Saturn, Uranus, and Neptune. Little is known about Pluto, the most remote planet from Earth. [Pg.444]

In the region of the terrestrial planets, there may have been several thousand planetesimals of up to several hundred kilometres in diameter. During about ten million years, these united to form the four planets—Mercury, Venus, Earth and Mars—which are close to the sun. Far outside the orbit of the planet Mars, the heavier planets were formed, in particular Jupiter and Saturn, the huge masses of which attracted all the hydrogen and helium around them. Apart from their cores, these planets have a similar composition to that of the sun. Between the planets Mars and Jupiter, there is a large zone which should really contain another planet. It... [Pg.26]

Mercury (Hg, [Xe + 4/14]5 /l06.v2), named after the planet Mercury (dedicated to the Roman God Mercurius), the symbol came from the Latin name hydrargyrum (liquid silver). Known since ancient times. [Pg.469]

The planets do not feature amongst these sites. It has become totally unreasonable to attribute the paternity of quicksilver (mercury) to the planet Mercury, to associate iron with the red planet Mars, and lead with Saturn. We know today that iron, lead and mercury come from supernovas. [Pg.96]

The Sun reaches a luminosity 2300 times greater than its current value and a radius 170 times greater. The planet Mercury is swallowed up. The solar wind is now much amplified and our star loses 38% of its mass into space. [Pg.132]

Although mercury is known from early times and was used hy alchemists, its first modern scientific applications date hack to 1643 when Torricelli used it in the barometer to measure pressure and about eight decades later Fahrenheit used it in the thermometer to measure temperature. Before this, mercury s use was confined to decorative work, gold extraction and medicines. The element was named after the planet mercury and its symbol Hg is taken from the Latin word hydrargyrum, which means hquid silver. [Pg.559]

When electrum, alloy of silver and gold, was rejected as not being a distinct substance, tin became attributed to Jupiter, and mercury was permitted to enter the mystic circle and was attributed to the planet Mercury. This classification served as a catalogue and definition of the so-called metals for many centuries, in fact, throughout the middle ages of Europe. [Pg.9]

Planetesimal A body in the early solar system that eventually accreted with other planetesimals to form the rocky planets (Mercury, Venus, Earth, and Mars). Asteroids are probably the remains of unaccreted planetesimals. [Pg.461]

Archaic Mercury Hg 80 known to the ancients Unknown The planet "Mercury"... [Pg.96]

The most intriguing of Saturn s moons is Titan, larger than the planet Mercury. It is the only moon known to have an atmosphere. Nitrogen and methane gasses shroud Titan with dense clouds which our cameras cannot penetrate. The chemistry of this atmosphere is unlike that of any other. If we could descend to the surface of Titan, we might see ice mountains softly eroded by a persistent rain of complex chemicals, and a deep chemical ocean, a strange parody of the oceans of earth. Titan s atmosphere, like the ancient atmosphere of earth, contains prelife chemicals, but is too cold for life to evolve. [Pg.42]

The ant continued. Of course the time for interstellar downloads normally would be quite slow. But your wormhole modems took care of that. We all discovered that God existed and that he was a shrimp-like crustacean living beneath the soil of the planet Mercury. ... [Pg.147]

However, in the case of the planet Mercury, which is near-... [Pg.106]

But what was there, in addition to water, on the primitive Earth The four outer planets of the solar system (Jupiter, Saturn, Uranus and Neptune) are still made up mainly of hydrogen, helium, methane, ammonia and water, and it is likely that those same chemicals were abundant everywhere else in the solar system, and therefore even in its four inner planets (Mercury, Venus, Earth and Mars). These were too small to trap light chemicals, such as hydrogen and helium, but the Earth had a large enough mass to keep all the others. It is likely therefore that the Earth s first atmosphere had great amounts of methane (CH4), ammonia (NHJ and water, and was, as a result, heavy and reducing, like Jupiter s. [Pg.122]

The substance mercury has been described in many ways, but the following description is appropriate here the hottest, the coldest, a true healer, a wicked murderer, a precious medicine and deadly poison, a friend that can flatter and lie . Named after the planet Mercury, it is a metal but, unlike all other metals, it is liquid at normal temperatures (that is, at room temperature or 2i°C). Its Latin name is hydrogyrum (hence its chemical symbol Hg), meaning liquid silver, a name given to it by Aristotle. [Pg.110]

The energy released by polonium during its radioactive breakdown is used in compact heat sources in space probes. This is the Mariner 10, launched November 3, 1973, on the first trip to the planet Mercury. NATIONAL AERONAUTICS AND SPACE ADMINISTRATION (NASA). [Pg.448]

The planets of our solar system probably formed from a disc-shaped cloud of hot gases, the remnants of a stellar supernova. Condensing vapours formed solids that coalesced into small bodies (planetesimals), and accretion of these built the dense inner planets (Mercury to Mars). The larger outer planets, being more distant from the sun, are composed of lower-density gases, which condensed at much cooler temperatures. [Pg.2]

The Mercury symbol is the same symbol for the planet Mercury, but we are not talking about the same thing. These are the substances found in the three kingdoms of vegetable, animal and mineral but they are not the same in each kingdom, for they each work on a different vibratory level. [Pg.90]

According to Karl Popper, the method of science is the method of bold assumptions, of inventive and serious experiments to disprove. Karl Popper said that our knowledge based on hypotheses is assumptions. Knowledge of assumption has no final validity. For instance, Newton s theory of gravitation cannot explain the orbital properties of the planet Mercury Einstein s theory, however, took account of them. [Pg.6]

The solar system is sometimes divided into two parts consisting of the inner planets—Mercury, Venus, Earth, and Mars—and the outer planets—Jupiter, Saturn, Uranus, Neptune, and, until recently, Pluto. One might imagine that understanding the chemical and physical properties of the inner planets would help in understanding the chemical and physical properties of the outer planets. No such luck. The two groups of planets differ from each other in some fundamental and important ways. [Pg.126]

The composition of the outer planets is also very different from that of the inner planets. Mercury, Venus, Earth, and Mars are all made of rocky-like material with a density of about 5.5 g/cm3. By contrast, the outer planets seem to consist largely of gases (which accounts for their sometimes being called the gas giants) with densities of about 0.69 g/cm3 for Saturn to 1.54 g/cm3 for Neptune. These... [Pg.126]

The outer planets also tend to have a number of satellites with (at last count) 56 orbiting Saturn, 63 around Jupiter, 27 around Uranus, and 13 around Neptune, compared to the virtual absence of satellites in the inner planets Mercury with 0 Venus, 0 Earth, 1 and Mars 2. [Pg.127]

Figure 8 shows that at pressures greater than about 10-4 bar, Fe metal condenses at higher temperatures than forsterite Mg2SiC>4. Conversely, at pressures less than about 10 4 bar, forsterite condenses at higher temperatures than Fe metal. The separation between the metal and forsterite condensation temperatures increases with increasing pressure from the crossover point. The planet Mercury is richer in Fe and poorer in silicates than expected from solar composition. This may indicate that the materials accreted by Mercury formed at pressures higher than the 10 4 bar crossover point for the iron and forsterite condensation curves. [Pg.360]

Polarity Negative Quality Mutable Element Earth Symbol The Virgin Ruling Planet Mercury Opposite Sign Pisces... [Pg.60]

Polarity Positive Quality Mutable Element Air Symbol The Twins Ruling Planet Mercury Opposite Sign Sagittarius... [Pg.69]

In astronomy, the little planet Mercury is distinguished by its rapid pace — it whirls around the Sun in a mere 88 days — and its proximity to the Sun. [Pg.103]

Pluto has two symbols. One is a snazzy-looking metaphysical design A small circle held within a crescent and balanced on a cross. 1 don t use this symbol because it s too easy to confuse with the glyphs of the other planets (Mercury and Neptune in particular). But many astrologers prefer it. [Pg.129]


See other pages where Mercury planet is mentioned: [Pg.81]    [Pg.930]    [Pg.52]    [Pg.53]    [Pg.194]    [Pg.234]    [Pg.13]    [Pg.46]    [Pg.1011]    [Pg.5]    [Pg.707]    [Pg.485]    [Pg.24]    [Pg.25]    [Pg.26]    [Pg.79]    [Pg.35]    [Pg.52]    [Pg.53]    [Pg.477]    [Pg.240]    [Pg.3]    [Pg.274]    [Pg.276]   
See also in sourсe #XX -- [ Pg.43 ]

See also in sourсe #XX -- [ Pg.222 ]




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