Astronaut Chris Hadfield chris hadfield calls prospect of soon commanding iss Astronaut Chris Hadfield

Astronaut Chris Hadfield chris hadfield calls prospect of soon commanding iss Astronaut Chris Hadfield

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Interesting facts about space.

When once a man and woman get together, their bond is maintained permanently. If a child is born, the mother stays with the baby for three months. During this time the baby is usually breast fed by the mother or sometimes by other mothers. Children including infants are brought up in the community centers. Hence children do not develop social bonding to their parents. In fact nobody knows who their parents are. The moon people laid a very strong emphasis on educating the children and the children are kept in the community education system until they reach 16 years of age. The children learn academic subjects as well as all domestic practical work required for community activities. There are also chores that have to be carried out during non-study time. From a very early age, children are assigned specific responsibilities. The chores are selected suitably by community leaders with due regard to the age of the child. The children select their own names during the school period according to their sole independent choice. However the first part of the name carries the name of the city. For instance children from the city of "Vaaadi" would have names like Vaaadi Tukuuu, Vaaadi Bekiii, Vaaadi Zukooo, etc., - short names but pronounced with a long dragging accent. Written records of births or any other type of identification mechanism does not exist.

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The mass distribution of the moons of Neptune is lopsided. In fact, it is the most lopsided satellite system of any of the giant planets dwelling in our Solar System. Triton accounts for nearly all the mass of the system, with all of the other moons together accounting for only one-third of 1%. This is very similar to the system of moons that circle the ringed-planet Saturn, where the large, smoggy, orange moon Titan--the second-largest moon in our Sun's family (after Ganymede of Jupiter)--accounts for over 95% of the total mass of Saturn's system of moons.

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Triton and Pluto share roughly the same bulk composition and density, as well as similar atmospheres. In addition, both remote bodies move in unusual orbits. Pluto has a highly eccentric orbit, and is sometimes closer to the Sun than Neptune! Furthermore, Pluto orbits in the opposite direction around our Sun than do the eight major planets of our Solar System. Triton revolves around Neptune in a direction counter to that of its planet--and its retrograde orbit indicates that it is a captured object. Because of the unusual nature of both Triton's and Pluto's orbits, as well as the similarities of their bulk properties and atmospheres, it has long been thought that there is some sort of historical connection between them. Indeed, it was once thought that Pluto was an escaped moon of Neptune, but this is now considered unlikely. It is much more likely that long ago Triton, like Pluto, circled the Sun independently, but was unluckily captured by its adoptive planet--whereas Pluto was left to wander freely.

Other facts:

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!

The Giant-Impact Theory, alternatively termed the Theia Impact, or Big Splash Theory, proposes that Earth's Moon was born from the debris remaining from a catastrophic collision, that occurred about 4.3 billion years ago, between the primordial Earth and an unfortunate protoplanet, that was about the size of Mars. The Earth's Moon-forming collision would have occurred when our Solar System was still forming during the Hadean eon. The Hadean eon occurred about 20 to 100 million years after our Solar System emerged from its frigid, dark natal cloud of gas and dust. The doomed impacting protoplanet, often called Theia, received its name in honor of a Titan in Greek mythology who was the mother of Selene, the Moon goddess. An analysis of lunar rocks, published in 2016, indicates that this catastrophic crash was a direct hit--causing a thorough mixing of both Earth-stuff and Theia-stuff. The Giant-Impact Theory is the favored scientific explanation for the birth of Earth's Moon.

During a Solar eclipse, when the Moon is New (both the Sun and the Moon in the same sign) the Moon passes between the Earth and the Sun, blocking out some of the Sun's energy. This eclipse will be total across parts of India and China. I saw a total eclipse years ago in Helena, Montana and I'm telling you, it was worth the trip! The air became very still and there was an eerie feeling of something happening that was so much bigger than us wee humans! Dogs were doing the low howly-growl, intensifying the primal feeling of our collective vulnerability. Such is the energy of an eclipse.