Sunday, September 27, 2020

Moon safe for long-term human exploration, first surface radiation measurements show | Science |

Future moon bases could be covered with a layer of lunar regolith to help protect against radiation from space.

Moonwalkers take heart—China's Chang'e 4 lander has made the first detailed measurements of the intense radiation that blasts the lunar surface and found that it's safe for human exploration. The results give researchers a better idea of how much protective shielding future crews will need.

Astronauts on the Apollo missions of the 1960s and '70s carried dosimeters to measure their radiation exposure, but the devices captured total exposure from their entire journey—not merely their time on the Moon's surface. Ever since, scientists have had to estimate the radiation doses of crews bounding around on the lunar surface "from extrapolation and modeling," says physicist Robert Wimmer-Schweingruber of the University of Kiel, a co-author of the study.

Publisher: Science | AAAS
Date: 2020-09-25T14:00:00-04:00
Author: Adam Mann
Twitter: @newsfromscience
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Check out this next:

Earth's Mini Moon 2020: Is New Mini Moon Actually Space Junk?

The working theory is that 2020 SO may actually be the Centaur stage of the United Launch Alliance rocket that propelled Surveyor 2 out of Earth's orbit. The object's size, which researchers have determined to be roughly between 21 and 46 feet long, is a relatively close match for the rocket's dimensions (approximately 41 feet). It's also moving at a much slower clip than what is expected of a natural asteroid, or even rocks that have been ejected from the lunar surface.

Publisher: Popular Mechanics
Date: 2020-09-23 07:23:00
Twitter: @PopMech
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Fall night sky offers wondrous celestial sights, including Halloween blue moon - The Washington

With multiple meteor showers, including arguably the year's best in December, along with full moons, planetary appearances and flyovers of the International Space Station , there's plenty to enjoy by looking up.

While only viewable in South America, December also presents what is expected to be a stunning total solar eclipse.

* * *

October begins and ends with a full moon, the first appearing atypically tiny because of its distance from earth in orbit. That moon, called the Hunter's Moon or Harvest Moon, kicks off the month.

Publisher: Washington Post
Date: 2020-09-25T15:24:43.952Z
Twitter: @WashingtonPost
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The October 2020 Full Harvest Moon Will Affect These 4 Zodiac Signs The Least

Your energy levels aren't as high as some zodiac signs' might be under this headstrong Aries-ruled lunation, Taurus, but that doesn't mean the full moon isn't inspiring action and motivation in its own unique way. In fact, some extra sleep or afternoon naps might actually be productive, as right now is a time to fully embrace your unconscious desires and get in touch with your spiritual side.

Publisher: Bustle
Twitter: @bustle
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In case you are keeping track:

Blue moon: Halloween full moon is the second full moon of the month

The month will have two full moons, including one on Halloween night, Oct. 31. The next time we'll see an equally spooky Halloween full moon is 2039, so plan your werewolf costumes accordingly.

The last time that a Halloween full moon was visible in all U.S. time zones was 1944, according to the Farmers' Almanac.

The Halloween full moon will be a so-called "blue" moon because it's the second full moon of the month.

Usually months have only one full moon, but occasionally a second one sneaks in, NASA reports . Full moons are separated by 29 days, while most months are 30 or 31 days long; so it is possible to fit two full moons in a single month. This happens every two-and-a-half years, on average.

Publisher: USA TODAY
Author: Doyle Rice
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NASA outlines plan to land the first woman on the Moon by 2024 - CNN
Publisher: CNN
Date: 2020-09-22T20:23:52Z
Author: Allen Kim Amanda Jackson and Chris Boyette CNN
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What Your Moon Sign Means About Your Personality | Shape

Whether you say you're an unconventional, eccentric Aquarius who was born in early February or a charismatic, go-getter Leo who came into the world in late July, the zodiac sign you identify as is likely based exclusively on the sun. The luminous celestial body spends roughly four weeks in each of the 12 signs, and wherever it was when you were born dictates how you'll respond when someone asks that age-old question: "What's your sign?"

While you can get multi-layered, in-depth insight from your full chart, there's still merit to zeroing in on its building blocks, like what your moon sign means. Here, the basics on this specific piece of your personal astrological puzzle.

Publisher: Shape
Reference: (Read more) Visit Source



Radiation exposure on the moon is nearly three times that on the ISS | New Scientist

Astronauts on the moon would face nearly three times more radiation exposure than those aboard the International Space Station, which could make long-term missions riskier than thought.

Wimmer-Schweingruber and his team analysed several weeks of data acquired by China's Chang'e …

Publisher: New Scientist
Author: _____
Twitter: @newscientist
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