PDF What Good Would the Moon Be?

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It would not be possible though it was a convenient plot device to turn an nuclear-powered RTG such as one used on Mars to power the Curiosity rover into an explosive weapon. But perhaps the greatest gift our Moon has to offer is its lessons to us as a species.

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The motion of the Moon provided early astronomers with a great lesson in Celestial Mechanics Newton would have had a much tougher time deciphering the laws of motion and gravity were it not for the example provided by the Moon. Plus, it makes a great stepping stone for solar system exploration. Curse it or love it, the Moon is our celestial companion… let the sci-fi alien baddies be jealous!

From an earlier Universe today — some interesting perspectives from Neil Comins on the other direction. And no doubt shaken, not stirred. Worth a read, despite being a fairly old book. Because the movie could be good even if TC plays the main character? A planet similar to Earth without a moon might still be biologically active. However, the perturbation of the axis of rotation might require such life to evolve strategies for surviving such changes. An example might be Mars, which could have life in subsurface ecosystems where water exists.

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The projected changes will be in the millions and tens of millions of years. I tend to think there is a small probability distribution for Earth-like planets with complex ecological systems. I did a study of chaos in the solar system and compared Lyapunov exponents with other identified solar systems. I did some Bayes analysis and estimated there may only be about planets with the sort of stable orbital configuration Earth has within our galaxy.

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This however does not restrict the number of bio-active planets to that number. There could will be many billions of bio-active planets in our galaxy. However, I question whether all but a rather few have the stability of conditions seen with Earth. It still must be pointed out that Earth has a measure of climate variation as is. The rare Earth hypothesis could of course be false.

What Good Would The Moon Be? - Helen Schneider | Shazam

With probability you have of course a range of possible outcomes. An extremely rare Earth hypothesis might say Earth is the only planet in the universe with conditions necessary for complex life.

What Good Would the Moon Be

A more intermediate range is probably more reasonable. I doubt there are billions or even millions of planets with complex life in our galaxy There may be that many planets with microbial level of life, which could include Mars or Enceladus or other bodies in our solar system. The idea of course has been picked up by the conservative and religious crowd. These people are always eager to squeeze God into some scientific question or uncertainty.

These types will always do this. Aliens targeting the moon? Anything is possible I always say. Plate tectonics effected.

Should the Moon Be Quarantined?

Interesting points, but you unfortunately missed one big flaw in your logic! Well, there was also Thundarr the Barbarian, one of my favorite cartoons when I was a kid. The moon looked about like it does in Oblivion but in this case led to some fun sword and sorcery adventures. Many religions go by the moon for their calendar, Astrology pays close attention to where it is. The loss of the moon would shake these people to their core, so its not much of a stretch they would think what happens to the Moon in oblivion and its effect on the earth is so far-fetched.

I liked Oblivion. If aliens wanted the earth for themselves, they probably would want the earth with the moon intact because of the special stability of earth that the moon provides. If they wanted to merely eradicate mankind from the planet and take over the earth then why would aliens want to blow up the moon and remove the stabilizing influence? After about 2 years and no longer than 10 years after such impacts, the surface of the earth would be ripe for conquest and there is no possibility that whatever traces of our civilization that managed to survive would get any chance to recover in that short period of time.

It would take decades to centuries before humanity could make any meaningful recovery after such a catastrophic set of events.

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Additionally our planet may well be the garden spot in the galaxy. It has been reasonably habitable for over million years. A lot of time for any exploring aliens to find it and set up camp. If they are out there, and I believe they are, they have been looking after and tending our garden for many millions, possibly billions of years…to some unknown and enigmatic goal. Just broken up into many pieces. The gravity would be different, but not nearly the same as having no moon at all. The article is dumb. Is there something about being close to the sun that makes it less likely to have a moon?

Seems like there must be if Mercury and Venus have no moons and Earth only has one by accident, as well as Mars, whose moons are incredibly tiny, possibly asteroid captures. If it is true that it is rare for planets closer to the sun having moons, man are we lucky! Our moon is beautiful, awe inspiring and one of the biggest in the solar system. We need it for the long-term survival of our species.

However, when observed close to the horizon, not only is the full moon considerably less bright, but it looks orange. A beautiful muted orange, that gradually turns to a lighter, slightly brighter yellow as the moon rises higher in the sky. Not 20 minutes after it has first been sighted on the horizon, the full moon will be high in the sky, a definite white, and too bright to look at. A rising full moon has a fleeting orange glow to it that makes it one of the most beautiful sights in nature.

Or, to put it other ways, why is a sunset orange and why is the sky blue? The answer to all of these questions is the same: Rayleigh scattering. The cause is Earth's oxygen and nitrogen-rich atmosphere, molecules of gas that absorb some wavelengths of light more than others. That's why the sky is blue.

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  4. Meanwhile, colors with longer wavelengths, such as yellow, orange and red, are not absorbed as much because they more easily pass through the atmosphere uninhibited. When you look at a sunset, a sunrise, a moonrise or moonset, you're looking at something close to the horizon, where the atmosphere is thickest close to the planet. Consequently, the visual effect of Rayleigh scattering is intensified, and the yellow, orange and red end of the spectrum dominate the light that makes it to your eyes.

    Pink phlox wildflowers bloom during spring across Central Texas. You can get moonset and moonrise times for your exact location here. When a full moon moves into Earth's shadow during a total lunar eclipse, the only light it receives is first traveling through Earth's atmosphere. It turns a delicate shade of orangey-pink and copper-brown, and sometimes gets reddish, but it almost never looks blood-red. That said, the presence of excessive dust and smoke in the atmosphere perhaps after a spate of storms, volcanic eruptions or, more locally, wildfires or agricultural burning can turn the lunar disk a deeper red.

    However, there is no total lunar eclipse on Good Friday in The full moon is not going to turn pink. As a full moon rises, it gets more yellow, before turning whiter and brighter.

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    Precisely two weeks after the next total solar eclipse, which will occur over the South Pacific, Chile and Argentina on July 2, , there will be a partial lunar eclipse on July 16, , though it won't be visible in North America. Best viewed from Europe, Middle East, Africa, and Asia, this event will see the moon turn half pinky-orange.

    The west coast of North and South America will next see a total lunar eclipse on May 26, , but only for 15 minutes, while the next seen by the east coast of North America and, in fact, in both entire continents is on May 15, This is completely wrong.