NASA Earthrise Wallpaper wide awake on the sea of tranquillity nasa Earthrise NASA Wallpaper

NASA Earthrise Wallpaper wide awake on the sea of tranquillity nasa Earthrise NASA Wallpaper

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A little interesting about space life.

The moon's internal geological structure is very strange and unique. It has vast areas of hollow underground caves. This is because the moon passed through boiling and molten states before it cooled down to its stable present day temperature. Some caves are miles and miles in length and breath. These caves exist at varying depths below the moon's surface. Almost all the caves are internally connected to each other and it is possible to trace many paths through interconnected caves to fully 'circumnavigate' the moon without ever stepping out on to its outer surface. The tops of the caves that form the crust of the moon's surface are supported on massive vertical rock pillars that rise out of the bottom surface. These vertical support structures are very hard and rocklike and naturally contoured in shell like formations endowing them with heavy load bearing capabilities. To visualize the interior of these caves a comparable earth structure would be the NFL football domes. They would compare in size with some of the smaller caves but none of the caves in the moon are formed in a particular shape, pattern, length, breadth or height, and are quite irregular in shape. Surface terrain is also to a large extent irregular and variable.

and here is another

Triton is unique among our Solar System's moons of planetary mass. This is because its orbit is retrograde to Neptune's rotation and inclined relative to Neptune's equator. This suggests that Triton was not born in orbit around Neptune, but was instead snared by the giant planet.

and finally

However, the fact of the matter is that moon will always remain the best option for mankind. The reason for this stems from the fact that the moon can always act as a stepping stone to the rest of the solar system and beyond. This is only natural, as the moon is in a very close proximity to Earth. Only by taking a 3 day trip, it is possible to reach the Moon with standard chemical propulsion techniques. However, in retrospect, going to Mars would require almost 100 times the amount of trip time of moon, since Mars is about 1000 times further then the moon. The amount of life support that is required for a mission that will take 2 years or more is definitely very costly and more importantly, the technological capability is not there. Thus, with our present global financial and technical capability, the moon is the only realistic option.

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Until 1610, when Galileo Galilei discovered the quartet of large Galilean moons orbiting Jupiter--Io, Europa, Ganymede, and Callisto--Earth's Moon was the Moon, because it was the only moon known to exist. Now, we know differently. There are over 100 known moons in our Solar System alone, and probably many, many more, circling distant alien planets belonging to the families of stars beyond our Sun. Most of the moons in our own Solar System are relatively small, icy worldlets that contain only small amounts of rocky material. The faraway multitude of sparkling, frozen moons that inhabit our Sun's family are mostly found circling the quartet of outer gaseous giant planets--Jupiter, Saturn, Uranus, and Neptune. In this dimly lit region, far from our Star's heat and light, these tiny icy moons perform a strange and lovely ballet around their large, gaseous host planets. The quartet of giant gaseous planets, that inhabit our Solar System's outer suburbs, are enshrouded by heavy atmospheres of gas, and they are accompanied in their travels around our Sun, by their own orbiting entourage of moons and moonlets.

Dr. Jacobson believes that this new study showing a later lunar birthday means that our planet's impact history was more turbulent than earlier thought. The alteration in Earth's bombardment rate, he suggests, also means an alteration in the quantity of energy that went into our planet's oceans and atmosphere. It also has implications for the history of our planet's surface temperature--which is important because liquid water could not exist until the surface had cooled off sufficiently.

On The Space Station. NASA is still silent as far as experiments are concerned regarding sex in space. Though the possibility was the greatest when a husband and wife team was in space together, that was not on the official work program. Then again, it is not work per say. Did they do it and was it different? NASA is not saying. One could say that it would be slightly different. You would need to cling to each other and where it is optional on Earth, in space it would be essential. After the act a man could simply float away, instead of rolling over.