NASA Houston Space Center Tours space center houston level 9 tour Space Center Tours NASA Houston

NASA Houston Space Center Tours space center houston level 9 tour Space Center Tours NASA Houston

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A little interesting about space life.

Of the four terrestrial, rocky planets of the inner Solar System (Mercury, Venus, our Earth, and Mars), both Mercury and Venus are moonless. Earth possesses one lone Moon, but it is a very large one--the fifth largest moon in our entire Solar System, in fact. Mars, on the other hand, has two tiny misshapen moons that resemble rocky potatoes, and are lumpy and dark, as they travel in their nearly circular orbits close to the plane of the Martian equator. The Martian moons, Phobos and Deimos, are probably asteroids that were captured by Mars long ago.



and here is another

Of the hundreds of bewitching moons in our Sun's family, Titan is remarkable for being the only one boasting a dense atmosphere and large liquid reservoirs on its surface, rendering it in many ways more like the four rocky, terrestrial planets of the warm and well-lit inner Solar System. Indeed, both Earth and Titan possess atmospheres dominated by nitrogen--more than 95 percent nitrogen in Titan's case. However, unlike our Earth, Titan's atmosphere has very little oxygen; the remainder of its atmosphere is primarily composed of methane and trace quantities of other gases--such as ethane. At the truly frigid temperatures found at the Saturn system's great distance from our Sun, Titan's methane and ethane can exist on the surface in their liquid form.



and finally

"For decades scientists have thought Jupiter's moon Europa was a likely place for life, but now we have specific, exciting regions on the icy moon to focus our future studies, " Dr. Don Blankenship, senior research scientist at the University of Texas at Austin's Institute for Geophysics, commented in the November 16, 2011 National Geographic News.

More information:

The first observations of Mars as an object traveling in Earth's night sky was recorded by the ancient Egyptian astronomers, and by 1534 BCE the ancient astronomers were familiar with the retrograde movement of the planet. By the time of the Neo-Babylonian Empire, the Babylonian astronomers were making regular records of the positions of the planets, as well as systematic detections of their behavior. In the case of Mars, the ancient astronomers realized that it made 42 circuits of the zodiac every 79 years. These scientists of long ago even invented arithmetic methods so that they could make minor corrections pertaining to the predicted positions of the planets inhabiting our Solar System. The ancient astronomers referred to the planets as "wandering stars".



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.



The Moon changes signs (constellations) about every 2 and half days. The Moon is moody; she rules the sign of Cancer. If you know anyone who has a strong Cancerian influence in their chart (Sun or Moon in Cancer, a Cancer ascendant, or lots of planets, especially the Sun, in the 4th house) you can expect that person to be moody! As the Moon moves into a sign the emotional timbre of that sign is amplified. A Full Moon always brings more emergency room activity but a full Moon in Scorpio will make that activity all the more intense!