Sirius Star Cluster canis major stock images royalty free images vectors Cluster Star Sirius

Sirius Star Cluster canis major stock images royalty free images vectors Cluster Star Sirius

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It is important to know at any age!

After the moon scientists developed electrical magnets and electromagnetic waves they did not know what to do with their new discovery. But as things happened in the earth's history, sometimes accidents lead to discoveries. As an accidental discovery, the scientists in the moon found that when electromagnetic instruments were energized, they caused a physical disturbance of nearby dust particles. The leading scientist who had invented the system directed the waves towards the moon's surface with the idea of checking the effect on the moon dust lying on the transparent area of the moon's crust. The moon dust covering thin transparent surfaces was seen to be getting cleared. Though it did not yield perfect transparency of the moon's crust, this was a big success. By experimenting further on this they realized that electromagnetic waves could help them to clear the dust on top of the transparent sections of the moon's surface. Upon the discovery of a mechanism for removing the dust on the moon's surface, the elders of the city gave their blessings to proceed further with these experiments. In the city of Daaadi the ceremony that was conducted every 14 days, acquired an additional feature now. This was the demonstration of their new equipment that cleared the dust on the surface crust of the moon. The scientist who invented it demonstrated the capability of his invention to the amazement and delight of all the people. They could now see more of outer space. Some people repeatedly viewed this demonstration while others did not show much interest.

and here is another

Galileo Galilei first spotted the planet Neptune with his primitive "spyglass" on December 28, 1612. He observed it again on January 27, 1613. Unfortunately, on both occasions, Galileo thought that the giant, remote planet was a fixed star, appearing near the planet Jupiter in the dark night sky. Because of this mistake, Galileo is not credited with the discovery of Neptune.

and finally

Saturn, along with its frozen retinue of icy rings, dazzling moons, and sparkling moonlets, orbits our Sun about ten times farther out than the Earth. Astronomers received their first collection of detailed data about Titan when the Cassini/Huygens orbiter and lander arrived there in 2004. The Huygens lander successfully obtained revealing images when it drifted down to Titan's tormented, hydrocarbon-slashed surface, as well as when it was still floating slowly and softly down through the moon's thick, foggy, orange atmosphere--which has 1.4 times greater pressure than that of our own planet. These pictures, when combined with other studies using instruments aboard the Cassini orbiter, reveal to curious planetary scientists that Titan's geological features include lakes and river channels filled with methane, ethane, and propane. Titan's strange surface also shows mountains and sand dunes--and it is pockmarked by craters. The rippling dunes form when fierce winds sweep up loose particles from the surface and then tosses them downwind. However, the sands of Titan are not like the sands on our Earth. Titan's "sand" is both bizarre and alien, probably composed of very small particles of solid hydrocarbons--or, possibly, ice imprisoned within hydrocarbons--with a density of about one-third that of the sand on our own planet. Furthermore, Titan's gravity is low. In fact, it is only approximately one-seventh that of Earth. This means that, working in combination with the low density of Titan's sand particles, they carry only the small weight of a mere four percent that of terrestrial sand. Titan's "sand" is about the same light-weight as freeze-dried grains of coffee!

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There are more than 100 moons in orbit around the eight major planets of our Sun's family. Most of them are frozen worlds, primarily composed of ice with a smattering of rocky material, circling the four giant gaseous planets dwelling in the outer regions of our Solar System--Jupiter, Saturn, Uranus, and Neptune. The inner region of our Solar System is almost completely devoid of moons. Earth's own lovely Moon is the largest one in our inner region of the Sun's family. Of the four rocky and relatively petite inner worlds that circle nearest to our Star--Mercury, Venus, Earth, and Mars--Mercury and Venus are moonless, while Mars is orbited by two lumpy and misshapen small moons, Phobos and Deimos, that are most likely captured asteroids that originated in the Main Asteroid Belt that orbits our Sun between Mars and Jupiter.

Crida and Charnoz tested their new model to find out whether it could be applied to other planets in addition to Saturn. Their investigation has brought to light several valuable facts. This scenario for moon-birth from planet-rings succeeds in offering an explanation as to why the largest moons dwell farther away from their parent planet than the smaller moons. It further explains the gathering of moons close to the Roche limit--their birthplace--on the outermost fringes of the rings. This distribution is in agreement with what is seen in the Saturn-system. The same scenario can also apply to the moons of other giant planets, such as the ice-giants Uranus and Neptune. The Uranus-system and the Neptune-system are also organized in a similar way. This discovery suggests that long ago, when these planets were young, they also sported impressive rings like those of Saturn--which ultimately vanished when their moons were born. Finally, this scenario can also explain the formation of Earth's Moon, and the moons of the dwarf planet Pluto. According to Crida and Charnoz's calculations, under special circumstances a single moon--like Earth's own--can be born from a primordial ring around its planet. This may well have occurred in both the case of Earth's single large Moon, and for Pluto's largest moon, Charon.

New Moon and Full Moon Times. New Moon, June 12, 2010 4:15 am, PDT. Full Moon, June 26, 2010 4:31 am, PDT