Greeks Astronomy Worksheets astronomy worksheet high school printable worksheets and Worksheets Greeks Astronomy

Greeks Astronomy Worksheets astronomy worksheet high school printable worksheets and Worksheets Greeks Astronomy

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Interesting facts about space.

Makemake, like Pluto, shows a red hue in the visible part of the electromagnetic spectrum. The near-infrared spectrum is marked by the existence of the broad methane absorption bands--and methane has also been observed on Pluto. Spectral analysis of Makemake's surface shows that its methane must be present in the form of large grains that are at least one centimeter in size. In addition to methane, there appears to be large quantities of ethane and tholins as well as smaller quantities of ethylene, acetylene, and high-mass alkanes (like propane)--most likely formed as a result of the photolysis of methane by solar radiation. The tholins are thought to be the source of the red color of the visible spectrum. Even though there is some evidence for the existence of nitrogen ice on Makemake's frozen surface, at least combined with other ices, it is probably not close to the same abundance of nitrogen seen on Pluto and on Triton. Triton is a large moon of the planet Neptune that sports a retrograde orbit indicating that it is a captured object. Many astronomers think that Triton is a wandering refugee from the Kuiper Belt that was captured by the gravity of its large, gaseous planet. It is possible that eventually the doomed Triton will plunge into the immense, deep blue world that it has circled for so long as an adopted member of its family. Nitrogen accounts for more than 98 percent of the crust of both Pluto and Triton. The relative lack of nitrogen ice on Makemake hints that its supply of nitrogen has somehow been depleted over the age of our Solar System.



and here is another

"This is the closest we've come, so far, to identifying a place with some of the ingredients needed for a habitable environment. These results demonstrate the interconnected nature of NASA's science missions that are getting us closer to answering whether we are indeed alone or not," commented Dr. Thomas Zurbuchen in an April 13, 2017 NASA Press Release. Dr. Zurbuchen is associate administrator for NASA's Science Mission Directorate at Headquarters in Washington D.C.



and finally

The three little moons (Methone, Pallene, and Anthe) orbit at very similar distances from Saturn, and they have a dynamical relationship. Mimas disturbs the trio of little moons, and causes the orbit of Methone to vary by as much as 20 kilometers (12.4 miles). Mimas causes the orbit of Pallene to vary by a slightly smaller amount--but it has the greatest influence on the orbit of the moon Anthe.

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The Moon represents tides, phases and mysterious rhythms. As you settle into the reality of living and breathing with another person, you begin to feel 'in sync' with them-or perhaps not! If your emotional needs and expressions seem to interact and flow harmoniously as time goes on, you can bet that your lunar energies are connected. If, on the other hand, you find yourself drawing a complete blank as to what your partner is thinking or feeling, then this lunar connection is missing in some way.



However, when people ask whether mankind has the capability to go to the Moon again, unfortunately the answer is an absolute no. Even though mankind has much more advanced space technology as compared to 1960's; the current technology is not geared toward moon flight. In fact, even the US has lost the capability of the Saturn rockets due to the fact that production facilities have been dismantled. In time, even the know-how has become obsolete, as people who have worked in the Saturn program have retired or died. Hence, even if the US wanted to go to the moon today, a manned flight would be impossible for at least another decade.



Brilliant, icy short-period comets invade the bright and toasty inner Solar System, far from their frozen domain in the Kuiper Belt. The Kuiper Belt is the reservoir of comet nuclei that is located closest to Earth. Short-period comets rampage into the inner Solar System more frequently than every 200 years. The more distant long-period comets streak into the inner Solar System's melting warmth and comforting light every 200 years--at least--from the Oort Cloud. Because Earth dwells closer to the Kuiper Belt than to the Oort Cloud, short-period comets are much more frequent invaders, and have played a more important part in Earth's history than their long-period kin. Nevertheless, Kuiper Belt Objects (KBOs) are sufficiently small, distant, and dim to have escaped the reach of our scientific technology until 1992.