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Posts

  • Moon’scapes (2/28/2020) - There’s no denying that it’s been a rough week for many Earthlings. On the other hand, it’s been a great week for anyone who spends their time more preoccupied with the Moon than with more earthly concerns. That’s because there’s a treasure trove of news about our lunar realm. For example, NASA’s Goddard Media Studios … Continue reading Moon’scapes
  • Lunar Landings (7/19/2019) - Saturday, July 20th is the 50th anniversary of the Apollo 11 Moon Landing, and there’s a massive media blitz surrounding the occasion. Pretty much every major news outlet is covering it in some way, and it’s no surprise that NASA is leading the publicity frenzy. On Friday at 1 p.m. (EDT) NASA is broadcasting 50 … Continue reading Lunar Landings
  • Space Rocks! (1/4/2019) - It was a fantastic holiday season for space fans! In fact, there was so much going on, it was almost impossible to keep up with it all. According to your news sources and interests, you have probably heard about at least some of the amazing things that happened, but chances are you haven’t heard about … Continue reading Space Rocks!
  • Get Lost in Space! (9/14/2018) - Way back in August, in anticipation of the start of a new school year, I set out to update the pages on this site related to space. Those pages tend to be popular among the teachers and students who use Cosma, and I happen to enjoy updating them, too. It sounded like a short, fun … Continue reading Get Lost in Space!
  • Visioning Spacesteads (8/8/2018) - Space, the final frontier… Humans have been imagining what it would be like to setup homesteads and live in space for about as long as they’ve been imagining how to get there, but the process didn’t really take off until after we actually got there. Back in the 1970’s NASA dedicated some resources to the … Continue reading Visioning Spacesteads
  • Octopuses from Space! (5/20/2018) - Did you hear the one about the octopuses from space? It sounds like the title of a cheesy sci-fi movie, doesn’t it? But it isn’t, this time, or at least, yet. Instead, it’s actually an oddball theory that’s been put forth in a recently published “scientific” article that’s getting quite a lot of buzz in … Continue reading Octopuses from Space!
  • Umbraphiles (8/20/2017) - umbraphile : One who loves eclipses, often travelling to see them. — Wiktionary Yes, this is that obligatory post about “The Solar Eclipse” (NASA, Wikipedia). Of course, there had to be one — eclipses really are just too cool to ignore. You’ve already been bombarded with explanations of the science and history of eclipses, but … Continue reading Umbraphiles
  • Moon+H2O=Moonbase? (7/25/2017) - One of the big science stories in the news right now is that Earth’s Moon has more water than scientists expected. This Newsy video is just one of the hundreds of stories flooding news feeds. This round of stories has been inspired by this article in Nature Geoscience. Remote detection of widespread indigenous water in … Continue reading Moon+H2O=Moonbase?

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Solar System Exploration: Earth’s Moon (NASA)

Dictionary

Moon : the earth’s natural satellite (see satellite 2a) that shines by the sun’s reflected light, revolves about the earth from west to east in about 291⁄2 days with reference to the sun or about 271⁄3 days with reference to the stars, and has a diameter of 2160 miles (3475 kilometers), a mean distance from the earth of about 238,900 miles (384,400 kilometers), and a mass about one eightieth that of the earth (often capitalized : usually used with the) — Webster

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Encyclopedia

The Moon is an astronomical body that orbits planet Earth, being Earth’s only permanent natural satellite. It is the fifth-largest natural satellite in the Solar System, and the largest among planetary satellites relative to the size of the planet that it orbits (its primary). Following Jupiter’s satellite Io, the Moon is second-densest satellite among those whose densities are known. The average distance of the Moon from the Earth is 384,400 km (238,900 mi),[10][11] or 1.28 light-seconds.

The Moon is in synchronous rotation with Earth, always showing the same face, with its near side marked by dark volcanic maria that fill the spaces between the bright ancient crustal highlands and the prominent impact craters. It is the second-brightest regularly visible celestial object in Earth’s sky, after the Sun, as measured by illuminance on Earth’s surface. Its surface is actually dark, although compared to the night sky it appears very bright, with a reflectance just slightly higher than that of worn asphalt. Its prominence in the sky and its regular cycle of phases have made the Moon an important cultural influence since ancient times on language, calendars, art, and mythology.

The Moon’s gravitational influence produces the ocean tides, body tides, and the slight lengthening of the day. The Moon’s current orbital distance is about thirty times the diameter of Earth, with its apparent size in the sky almost the same as that of the Sun, resulting in the Moon covering the Sun nearly precisely in total solar eclipse. This matching of apparent visual size will not continue in the far future. The Moon’s linear distance from Earth is currently increasing at a rate of 3.82 ± 0.07 centimetres (1.504 ± 0.028 in) per year, but this rate is not constant. — Wikipedia

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Lunar Reconnaissance Orbiter (NASA)
Lunar Reconnaissance Orbiter (Wikipedia)

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Who owns the moon? A space lawyer answers (Frans von der Dunk, PBS News Hour)
Who owns the moon? A space lawyer answers (Frans von der Dunk, The Conversation)
The FAA: regulating business on the moon (Irene Klotz, Reuters)

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The Moon (The Galileo Project, Rice University)

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History of the Exploration of Earth’s Moon (NASA)
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A big fake Moon is slowly making its way around the Earth (Mike Wehner, BGR)
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Potential human habitat located on the moon (Purdue University)

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Moon News -- ScienceDaily Moon News. Current science articles on the Moon. Read about the new lunar mission being planned, how the "Man In The Moon" was created, moon landing facts and more. Images.

  • Magnetic fields on the moon are the remnant of an...
    on October 15, 2020 at 9:31 pm

    A long discussed theory about the local magnetic spots of the moon suggests that they are the result of magnetization processes caused by impacts of massive bodies on the moon surface. A new study now shows that the Moon must have had an internal core dynamo in the past.

  • Looking for pieces of Venus? Try the moon
    on October 7, 2020 at 4:30 pm

    A growing body of research suggests the planet Venus may have had an Earth-like environment billions of years ago, with water and a thin atmosphere.

  • Moon's magnetic crust research sees scientists...
    on October 7, 2020 at 1:36 pm

    New international research into the Moon provides scientists with insights as to how and why its crust is magnetized, essentially 'debunking' one of the previous longstanding theories.

  • First measurements of radiation levels on the moon
    on September 26, 2020 at 6:52 pm

    In the coming years and decades, various nations want to explore the moon, and plan to send astronauts there again for this purpose. But on our inhospitable satellite, space radiation poses a significant risk. Scientists report for the first time on time-resolved measurements of the radiation on […]

  • Remnants of an ancient asteroid shed new light on...
    on September 25, 2020 at 3:36 pm

    Researchers have shaken up a once accepted timeline for cataclysmic events in the early solar system. Geological and geochemical records indicate that the Earth-Moon system experienced a period of frequent and cataclysmic impacts from asteroids and other bodies. It was thought that this period had […]


Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • Large tides may have been a key factor in the...
    on October 23, 2020 at 2:55 pm

    Pioneering research, published in Proceedings of the Royal Society A, into ancient tides during the Late Silurian—Devonian periods (420 million years ago—380 million years ago), suggests that large tides may have been a key environmental factor in the evolution of bony fish and early tetrapods, […]

  • Einstein's theory of relativity, critical for...
    on October 22, 2020 at 3:32 pm

    What do Albert Einstein, the Global Positioning System (GPS), and a pair of stars 200,000 trillion miles from Earth have in common?

  • The science behind life in space on 'Away'
    on October 22, 2020 at 1:14 pm

    Do you feel like you've been locked in a small room for months on end, isolated from the people that you love? Welcome to Netflix's "Away" and the bubble of five scientists on the world's first manned mission to Mars.

  • What would a realistic space battle look like?
    on October 22, 2020 at 1:02 pm

    Science fiction space movies can do a poor job of educating people about space. In the movies, hot-shot pilots direct their dueling space ships through space as if they're flying through an atmosphere. They bank and turn and perform loops and rolls, maybe throw in a quick Immelman turn, as if […]

  • ALMA shows volcanic impact on Io's atmosphere
    on October 21, 2020 at 8:06 pm

    New radio images from the Atacama Large Millimeter/submillimeter Array (ALMA) show for the first time the direct effect of volcanic activity on the atmosphere of Jupiter's moon Io.