Thursday, October 8, 2020

NASA Asks: What Would You Pack for the Moon? | NASA

Publisher: NASA
Date: 2020-10-06T16:50-04:00
Twitter: @11348282
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When you wish upon a moon | The Tech

When I was young, I used to dream of a little boy on the moon. And when he'd dream, he'd hope and wish that dreams didn't end so soon. He'd walk a little crater and sing a little greater of another on earthen ground. "Oh how nice it must be, how calm and at peace, it must be to finally be found!"

The boy often wished upon a star, the only one he knew. His turning world phased him none, though oft he caught the blues. In the dark he'd ponder away, unknowing of his worth. He'd wish that there would come a day when his star would face him north.

Publisher: The Tech
Author: Author 0x00007f50b98d6218
Twitter: @thetech
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What kind of collision made the moon? | Science | The Guardian

It could so easily have turned out differently. About 4.5bn years ago the Earth is believed to have collided with another planet, Theia, resulting in the formation of the moon. A more glancing blow might have resulted in a "hit and run" and a moon-less Earth; while a head-on collision may have blasted away much of Earth's mantle, leaving no atmosphere. Instead it seems to have been something in between, which eroded between 10 and 60% of Earth's atmosphere, but also left us with the moon.

Publisher: the Guardian
Date: 2020-10-06T20:30:19.000Z
Author: Kate Ravilious
Twitter: @guardian
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Lasers help measure distance to the moon - News - The Inquirer and Mirror - Nantucket, MA

(Oct. 8, 2020) Did you ever wonder just how far away the moon is? Thanks to the foresight of scientists in the 1960s, we are now able to keep track of this figure to millimeter precision using something called lunar laser ranging.

Lunar laser ranging is, essentially, a process of very precisely measuring the distance to the moon using a powerful laser. The laser is reflected, once it reaches the moon, by retroreflectors that were left on the surface of the moon by the Apollo astronauts in the 1970s.

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Publisher: The Inquirer and Mirror
Date: 7E15F9269E2CE66F2A488ABB04B5015E
Author: Regina Jorgenson
Twitter: @InkyM
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Other things to check out:

Rick Bramwell column: Set your deer hunting schedule by the moon | Sports | heraldbulletin.com

I have said it before: Just when I think there can be no new concept related to moon phases and deer movement, someone enlightens me.

What Georgia hunter Chad Day is specifically interested in: Is there a moon phase where mostly big nocturnal bucks move during daylight? After a decade of research using data gathered from his and other trail cameras, the answer might surprise you enough to set your hunting vacation by it.

I did a Google search to find some interesting things about the moon. The only time Earth's shadow can fall on the moon is at full moon, during a lunar eclipse. There is a shadow on a crescent moon, but it's the moon's own shadow. Because the waxing crescent moon is nearly on a line with the Earth and sun, its illuminated hemisphere – or dayside – is facing mostly away from us.

Publisher: Herald Bulletin
Twitter: @heraldbulletin
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How The October 2020 New Moon Will Affect Your Zodiac Sign

This new moon is offering you a chance to bring structure and harmony to your schedule, Taurus — so don't clutter up your calendar with tedious distractions. While part of you may feel restless and eager to prove all that you can handle, remember that prioritizing your wellness is equally important. Diplomatically decline any unnecessary plans or projects, and don't bite off more than you can chew.

If you've been focused on cleaning up your finances or creating a budget, now is the perfect cosmic opportunity to start anew. You've been ditching bad habits and trying to let go of scarcity-based fears, and now it's time to start building a solid foundation for your resources. Your quest to financial freedom may require you to navigate some roadblocks and do some problem-solving — but thankfully, Virgo, that's your specialty.

Publisher: Bustle
Twitter: @bustle
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October 2020 Skywatching Tips From NASA: Harvest Moon, Blue Moon, Mars, and Go Intergalactic With

October is bringing a Harvest Moon AND a Blue Moon, plus look for Mars any time of the night, and go intergalactic with Andromeda!

This month brings not just one, but two full Moons, at the beginning, and at the end of the month. The Harvest Moon – the one that peaked on October 1 – is the name for the full Moon that occurs closest to the September equinox. (One of two days per year when day and night are of equal length.) Most years the Harvest Moon falls in September, but every few years it shifts over to October.

Publisher: SciTechDaily
Date: 2020-10-06T03:15:09-07:00
Author: Mike O
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Why Doesn't the Earth Have a Bunch of Mini Moons? | WIRED

There's a lot going on with the motion of this mini moon. Of course there is a gravitational interaction with both the Earth and the moon, but it's also interacting with the Sun. Not only that, but the Earth and moon are accelerating as they move in a mostly circular orbit around the Sun. But let's start off with something simpler. Suppose it's just the Earth, the moon, and the mini moon. Can we model the motion of these three objects? The answer: Yes we can.

* * *

This diagram looks terrible. It looks so bad because it's fairly realistic. Yes, the moon is that far away from the Earth and it's very difficult to see. Also, I made the mini moon WAY too big—but that's the only way you can see it. This is why many textbooks show the Earth-moon system without the correct scale. It gets even worse if you try to include the Sun since it's even further away and would make the size of the moon and Earth like tiny little invisible ants.

Publisher: Wired
Author: Rhett Allain
Twitter: @wired
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