Venus Planet Orbit anniversaries venera 3 landing on venus histories of Venus Orbit Planet

Venus Planet Orbit anniversaries venera 3 landing on venus histories of Venus Orbit Planet

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It is important to know at any age!

Although Theia made the ultimate sacrifice, it did not die in vain because this unfortunate world's demise made life possible on Earth. Earth's Moon makes our planet livable; it moderates Earth's wobble on its axis, resulting in a relatively stable, life-sustaining climate, and it also causes ocean tides that create a rhythm that has guided humanity for thousands of years.

and here is another

Discovering the water content of volcanic deposits on our Moon using orbital instruments presents quite a challenge. Planetary scientists use orbital spectrometers to measure the light that skips off of a planetary surface. By determining which electromagnetic wavelengths of light are reflected or absorbed by the surface, the scientists can then get an idea of which minerals and other compounds are present.

and finally

The efforts of planetary scientists to determine the lunar birthday have suggested a range of ages. Some have proposed an early event, about 30 million years after our Solar System formed, while others suggested that it occurred over 50 million years and perhaps as much as 100 million years after our Sun's family took shape.

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This later-forming time line for lunar birth is reasonable, Dr. William Hartmann noted in the April 2, 2014 National Geographic News. Dr. Hartmann, a researcher at the Planetary Science Institute in Tucson, Arizona, was one of the first to propose the giant impact theory of lunar formation. However, he added that the new study might depend too much on the idea of using the last giant impact as a marker for when such events occurred in the history of our planet.

This model attempts to explain the distribution of moons circling giant, gaseous planets dwelling in the outer limits of our Solar System. However, it also provides an explanation for how the moons of planets such as our Earth and the dwarf planet, Pluto, were born. This research provides a valuable clue about how planetary systems developed throughout the entire Universe--not only in our own Solar System.

Saturn is the smaller of the two gas-giant planets dwelling in the outer regions of our Solar System, far from the friendly light and warmth of our incandescent golden Star, the Sun. The larger of the two gas-giants is Jupiter, which is also the largest planet in our Solar System. Some scientists think that the two gas giants do not have solid surfaces hidden beneath their immense and heavy gaseous envelopes, although others think that they probably do contain relatively small cores of rocky-icy material. The two other large denizens of the outer limits of our Sun's family are Uranus and Neptune, which are classified as ice-giants, because they have large icy cores buried beneath their heavy atmospheres which, though massive, are not nearly as heavy as the gaseous atmospheres borne by the two gas-giants.

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