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  • 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)

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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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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.

  • New study provides maps, ice favorability index...
    on June 1, 2020 at 5:46 pm

    A research team has created an Ice Favorability Index. The geological model explains the process for ice formation at the poles of the moon, and mapped the terrain, which includes craters that may hold ice deposits. The model, accounts for what asteroid impacts on the surface of the moon may do to […]

  • Giant meteorite impacts formed parts of the...
    on May 11, 2020 at 3:25 pm

    New research on a rock collected by the Apollo 17 astronauts has revealed evidence for a mineral phase that can only form above 2300 °C. Such temperatures are uniquely achieved in melt sheets following a meteorite impact, allowing the researchers to link the 4.33-billion-year-old crystal to an […]

  • Possibly active tectonic system on the Moon
    on April 30, 2020 at 9:09 pm

    Strange spots scattered across the Moon's nearside where bedrock is conspicuously exposed are evidence of seismic activity set in motion 4.3 billion years ago that could be ongoing today, the researchers say.

  • Asteroid 1998 OR2 to safely fly past Earth this...
    on April 29, 2020 at 2:47 am

    The large near-Earth object is well known to astronomers and will get no closer than 3.9 million miles to our planet.

  • First-ever comprehensive geologic map of the moon
    on April 23, 2020 at 1:40 am

    For the first time, the entire lunar surface has been completely mapped and uniformly classified. The lunar map, called the 'Unified Geologic Map of the Moon,' will serve as the definitive blueprint of the moon's surface geology for future human missions and will be invaluable for the international […]


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.

  • Martian moon's orbit hints at an ancient ring of...
    on June 3, 2020 at 1:58 pm

    Scientists from the SETI Institute and Purdue University have found that the only way to produce Deimos's unusually tilted orbit is for Mars to have had a ring billions of years ago. While some of the more massive planets in our solar system have giant rings and numerous big moons, Mars only has […]

  • Scientists conduct topographic analysis and...
    on June 3, 2020 at 12:16 pm

    China's Chang'e-4 probe achieved the first soft landing within the South Pole-Aitken (SPA) basin, which is the oldest, largest and deepest basin on the lunar farside. Technologies and software have been used in the Chang'e-4 mission for studies like lander localization, 3-D terrain reconstruction, […]

  • The extraordinary sample-gathering system of...
    on June 2, 2020 at 8:40 pm

    The samples Apollo 11 brought back to Earth from the Moon were humanity's first from another celestial body. NASA's upcoming Mars 2020 Perseverance rover mission will collect the first samples from another planet (the red one) for return to Earth by subsequent missions. In place of astronauts, the […]

  • SpaceX's historic launch gives Australia's...
    on June 2, 2020 at 1:38 pm

    At the weekend, Elon Musk's commercial giant SpaceX launched two NASA astronauts in a spacecraft named Crew Dragon which, from the inside, looked like a souped-up Tesla.

  • New study provides maps, ice favorability index...
    on June 1, 2020 at 4:50 pm

    The 49ers who panned for gold during California's Gold Rush didn't really know where they might strike it rich. They had word of mouth and not much else to go on.