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Marco Ugarte via PA Images
Marco Ugarte via PA Images
THE MOON WILL be providing the world with a rare triple treat today, in what’s being dubbed the “super blue blood moon”.
This evening, much of the world – but not here in Ireland, unfortunately – will get to see a blue moon, a supermoon, and a total lunar eclipse, all rolled into one. There hasn’t been a triple lineup like this since 1982 and the next won’t occur until 2037.
The eclipse will be visible best in the western half of the US and Canada before the moon, and across the Pacific into Asia later.
As you can see from the 3D globe below, Ireland is in the middle of the super blue blood moon’s blindspot:
The US East Coast will also be out of luck; the moon will be setting just as the eclipse gets started. Most of Africa and South America also will pretty much miss the show.
A blue moon is the second full moon in a month. A supermoon is a particularly close full or new moon, appearing somewhat brighter and bigger. A total lunar eclipse – or blood moon, for its reddish tinge – has the moon completely bathed in Earth’s shadow.
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“I’m calling it the Super Bowl of moons,” lunar scientist Noah Petro said on Monday from NASA’s Goddard Space Flight Center in Greenbelt, Maryland.
The moon was actually closest to Earth yesterday – just over 359,000 kilometres. That’s about 2,400 kilometres farther than the supermoon on 1 January. Midway through today’s eclipse, the moon will be even farther away – 360,200 kilometres – but still within unofficial supermoon guidelines.
While a supermoon is considered less serious and scientific than an eclipse, it represents a chance to encourage people to start looking at the moon, according to Petro.
I’m a lunar scientist. I love the moon. I want to advocate for the moon.
Throw in a blue moon, and “that’s too good of an opportunity to pass,” according to Petro.
As the sun lines up perfectly with the Earth and then moon for the eclipse, scientists will make observations from a telescope in Hawaii, while also collecting data from Nasa’s moon-circling Lunar Reconnaissance Orbiter, launched in 2009.
Just like the total solar eclipse in the US last August cooled the Earth’s surface, a lunar eclipse cools the moon’s surface. It’s this abrupt cooling – from the heat of direct sunlight to essentially a deep freeze – that researchers will be studying.
Totality will last more than an hour.
“The moon is one of the most amazing objects in our solar system,” Petro said.
It really is the key to understanding the solar system, through interpreting the geology and surface of the moon.
Nasa plans to provide a live stream of the moon from telescopes in California and Arizona, beginning at 5.30am EST (or 10.30pm Irish time).
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We share the observation that the moon orbits the Earth along with all people stretching back to remote antiquity and possibly the oldest astronomical interpretation is Irish where the moon is lost to the glare of the Sun for a few days each month -
Walk around a table with an outstretched arm pointing at the table and this is why we see the same side of the moon at all times but the theorists have convinced the wider population that the moon also spins as it orbits the Earth by inserting voodoo language.
To create a lunar calendar 5200 years ago by people on this island was an exquisite thing insofar as it shows they understood the cyclical disappearance of the moon from sight each month in relation to the Sun.
@Gerald Kelleher: wait, you don’t believe the moon spins on its axis too? Why?
Even leaving aside the fact that Newton proved this in 1600s, why would the earth spin but not the moon?
@Chucky Arlaw: There is a saying that if you can’t be trusted in interpreting small things you can’t be trusted in large or more important things.
Newton was the only person in history to propose the moon spins and that is remarkable considering that the great astronomers on which his agenda was built, especially Kepler, proposed the original notion that smaller objects move around larger celestial objects ( more or less gravity assist) using rotational influences of the larger object -
“The Sun and the Earth rotate on their own axes…The purpose of this
motion is to confer motion on the planets located around them;on the
six primary planets in the case of the Sun,and on the moon in the case
of the Earth.On the other hand the moon does not rotate on the axis of
its own body,as its spots prove ” Kepler
The notion of a ‘spinning moon’ is exceptionally unhealthy for the mind but it does show how academic language can be bent towards absurd conclusions. I am not beholden to the recent ‘laws of nature’ upstarts because my astronomical heritage is drawn from thousands of years of perspectives that are as valid today as they were back then.
@Gerald Kelleher: You are some gowl. Bet you think there are secret Nazi bases up on the dark side?
And “recent ‘laws of nature’ upstarts”? You do understand that thousands of years of perspectives basically means “ever changing”.
World is flat? Nope.
Sun rotates around the earth? Nope.
Earth rests on the back of a turtle, and turtles all the way down? Nope.
@Larissa Caroline Nikolaus: This is for people who can think for themselves so if you want to make a nuisance of yourself then be my guest however there are others who are beginning to bypass the empirical dummies and go back in history to discover how astronomers really thought on subjects like the moon, including Kepler or the people who built Newgrange and Knowth.
One of the loveliest works on the moon was by the Roman Plutarch which sparkles with intelligence and how they dealt with the motions of celestial objects, especially trading the above/below for the more creative and productive perspectives which went on to the discovery of the solar system.
. “And, finally, in what sense, and in reference to what thing is Earth said to be ‘intermediate?’ For the universe is infinite; now that which is infinite hath neither beginning nor limit, so it does not belong to it to possess a middle: for infinity is the deprivation of limits. But he who makes out Earth to be the middle not of the universe, but of the world, is ridiculous for his simplicity if he does not reflect that the ‘world’ itself is liable to the very same objections: for the universe hath not left a middle place for it also, but it is borne along without house or home in the boundless vacuum, towards nothing cognate to itself; perhaps it has found out for itself some other cause for remaining fixed, and so has stood still, but certainly not owing to the nature of its position. And it is allowable for one to conjecture alike with respect to Earth and with respect to the moon, that by some contrary soul and nature they are [actuated, the consequence of the diversity being] differences, the former remaining stationary here, the latter moving along. But apart from these considerations, see whether a certain important fact has not escaped their notice. For if whatsoever space, and whatever thing exists away from the center of Earth, is the ‘above,’ then no part of Earth is ‘below,’ but Earth herself and the things upon Earth; and, in a word, everybody standing around or investing the center, become the ‘above;’ whilst ‘below’ is one sole thing, that incorporeal point, which has the duty of counterbalancing the whole constitution of the world; if, indeed, the ‘below’ is by its nature opposed to the ‘above.’ And this is not the only absurdity in the argument, but it also does away with the cause through which all ponderous bodies gravitate in this direction, and tend downwards: for there is no mark below towards which they move: for the incorporeal point is not likely (nor do they pretend it is) to exert so much force as to draw down all objects to itself, and keep them together around itself. But yet, it is proved unreasonable, and repugnant to facts, to suppose the ‘above’ of the world to be a whole, but the ‘below’ an incorporeal and indefinite limit: whereas that course is consistent with reason, to say, as we do, that the space is large and possessed of width, and is defined by the ‘above’ and the ‘below’ of locality.” Plutarch
I trust people to make sense of this in the way it was originally meant showing people were genuinely interested in what causes the phases, what the moon was made of, why objects move the way they did and all the things that were jettisoned for theoretical junk.
@Gerald Kelleher: Just one thing. You mock climatologists when they use the greenhouse analogy for climate change. You say they’re idiots for attempting to scale up the idea of a greenhouse w.r.t the planets atmosphere but yet you are doing the exact same thing here with your kitchen table and the earth/moon relationship. Hmmmm.
@Gary: Newtonian gravity is also mocked via the apple falling from the tree analogy and well renowned and respected scientists are idiots for scaling this also. Pointing at tables and roundabouts seems to be some sort of hobby of sorts, even if the analogy makes absolutely no sense when you really think about it (sadly I’ve wasted my own time think of all the flaws in the pointing at things analogy). For some reason I always think of this though https://imgur.com/gallery/fnY5F
@Gary: I am impressed that you were paying attention however there is no cause and effect involved here as it is a straightforward judgment you and everyone else uses when they drive their cars or walk in the street. If you watch a car going around a roundabout you see the same side face the centre of the roundabout as it goes around it in much the same way as the moon travels around the Earth and shows the same face to us. It wouldn’t matter if the moon was 10,000 miles or a million miles from the Earth, the judgment would be the same as is the motion.
Newton was trying to promote cause and effect and that is where overreaching analogies come in whether it is the fall of an apple equating directly to planetary orbital motion or things like trying to scale a common greenhouse up to the Earth’s atmosphere to promote a conclusion that carbon dioxide accounts for any and every weather event.
Take your time using your own judgment of motion along with analogies , moon’s phases, why we see the same face and images to draw the only conclusion possible. The English are prone to listening to bluffers as the recent Brexit referendum demonstrates at the expense of common sense and this happened in the late 17th century universities.
@John Boy: Look, the followers of Newton admitted they hadn’t a clue how he goes from universal attraction of objects to orbital motion of planets within the framework of astronomy, its methods and insights. Astronomical observations that were designed for straightforward judgments become mixed up with speculative notions of mathematical theorists so that even the judgment of the moon’s orbital motion doesn’t survive as a fact .
Unlike the bluffing of his followers, Newton was systematic about the way he proposed to scale up analogies for his idea on attraction with astronomical judgments and boy did he have fun conjuring up perspectives that are at variance with the original discoveries. If any of you are following a man who thinks the moon spins because he misread a description of Kepler, then you can bet that this is only the beginning of a theoretical nightmare.
@Gerald Kelleher: I have a better experiment for you. You don’t even need to stand up for it. Just place a coin on that table of yours and with your index finger, without ever turning your wrist, draw a circle around the coin. Is your finger facing the coin with the same side? Of course not, because such action requires it to spin around its axis. The Moon does face the Earth with the same side because, unlike your finger, it can and it does spin around its own axis.
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