Full ‘Strawberry’ Moon coincides with a penumbral lunar eclipse TONIGHT – but rain clouds in parts of the UK may ruin the celestial spectacle
- The Strawberry Full Moon will hit its peak in the UK before sunset at 20:12 BST
- It coincides with a penumbral lunar eclipse that will see the Moon dim slightly
- The Moon won’t appear pink unless it is close to the horizon as the name comes from the fact it coincides with the annual strawberry harvest not its colour
A ‘Full Strawberry Moon’ will appear in the sky tonight and it will coincide with a subtle penumbral lunar eclipse, according to astronomers.
While it is called a Strawberry Moon, that doesn’t mean it will appear red or pink, the name comes from the fact strawberries are ready to harvest this time of year.
However, the Moon, which will reach its peak at 20:12 BST, will appear slightly dimmer than a normal full Moon due to the special type of eclipse.
A penumbral eclipse is the most subtle form, it occurs when the earth, sun and moon are all aligned – with the Earth casting a slight shadow over the Moon.
While it is called a Strawberry Moon, that doesn’t mean it will appear red or pink as the name comes from the fact strawberries are ready to harvest this time of year
A penumbral eclipse is the most subtle form, it occurs when the earth, sun and moon are all aligned – with the Earth casting a slight shadow over the Moon
For skygazers in parts of the UK rain clouds will dampen the spectacle, and make the dimming effects harder to spot, according to weather forecasters.
Zoltan Toth-Czifra, founder of Under Lucky Stars, says the Full Strawberry Moon will be a stunning sight if the skies are clear.
“This year has been full of astronomical events with the supermoons over the past few months and it doesn’t end there,’ he said.
He said the Moon will rise and be visible every night over the weekend and that Moons always rise in the east and set in the west.
‘Unlike its name, the moon won’t be red or pink in colour,’ said Toth-Czifra.
THE STRAWBERRY FULL MOON DOESN’T APPEAR PINK OR RED
Despite its name, the moon is unlikely to be turning a hue of strawberry red.
In recent years, traditional Native American names for the full moons have become more common in modern day parlance.
According to the Maine Farmer’s Almanac – which first published the Native American names for the full Moons in the 1930’s – the name comes from the relatively short season for harvesting strawberries in northeastern North America.
The name is applied to the full Moon in June or the last full Moon of Spring, but the same full moon went under many other traditional names in other parts of the world.
‘But it will be a breath-taking full moon, so you may even see it cast moon shadows on the ground,’ he said.
‘This moon is named Strawberry Moon as a reference to the time of harvesting strawberries in North America, originally from Native American tribes who used the moon as an indicator of when the fruit would be ripe.’
Toth-Czifra said the lower than average level of pollution due to lockdown, combined with clear skies in some parts of the UK, will make the Moon clearer than usual.
‘As always, the moon will affect the Earth’s ocean, and the extra gravitational pull means we should brace ourselves for some spectacular tides worldwide,’ he said.
The eclipse won’t be obviously visible as it is a penumbral eclipse – unlike a full or partial version, this won’t actually block out part of the Moon.
Astrophysicist Dr David Gozzard, from the University of Western Australia International Centre for Radio Astronomy Research said the eclipse will last around three hours.
‘A strawberry moon is a name for a full moon in June and lunar eclipses like these always happen at the full moon,’ he said.
‘It’s called a penumbral eclipse so the Earth’s shadow has a fuzzy outer region where you only get a partial shadow and not a full shadow of the sun. That’s called a penumbra and that is the area the moon will pass through.’
The Strawberry Full Moon is named that way because it coincides with the strawberry harvest – it won’t appear pink by default but could look more pink if it is low on the horizon
‘Lunar eclipses come in pairs or sometimes triplets so this will have a corresponding sibling eclipse in May next year. It will be a more spectacular eclipse with a total or partial eclipse of the shadow of the earth,’ Dr Gozzard said.
The Strawberry Full Moon, which will appear an hour before sunset tonight, has also been called the Rose Moon in Europe due to it arriving as roses begin to bloom.
It won’t be easily visible for everyone in the UK, but some will get a clear view.
The Met Office forecast for tonight says there will be sunny spells and showers for many, some heavy with isolated thunder.’
‘Heavy rain and gales developing across northern Scotland, edging south later.’
Fastest-Growing Black Hole as Big as 34 Billion Suns – Nerdist
The fastest-growing black hole ever observed has been given an approximate weight, and it tips the scale at 34 billion times the mass of the Sun. The researchers who’ve estimated its weight also say it continues to grow, devouring a Sun’s worth of matter per day. On top of claiming those mondo stats, the gorging monster may also help to unlock some key mysteries of the early universe.
The “ultramassive black hole” (that’s literally a class of black hole), dubbed J2157-3602, was discovered in 2018 and given an initial weight of 20 billion solar masses—a solar mass is a unit of mass equivalent to the mass of the Sun. Since then, researchers have gone back and taken new measurements using the Very Large Telescope array in Chile. (Pictured immediately below.)
J2157 is “about 8,000 times bigger than the black hole in the centre of the Milky Way,” astronomer Christopher Onken of Australian National University told Science Alert. He added that “If the Milky Way’s black hole wanted to grow that fat, it would have to swallow two thirds of all the stars in our galaxy.”
Onken and others described these new measurements in a paper recently published in the journal, Monthly Notices of the Royal Astronomical Society. In the paper, which comes via ZME Science, the researchers say that the ultramassive black hole is, on top of being gargantuan, also the most luminous quasar in the known universe. A quasar—pictured at top—is essentially a black hole that’s actively pulling in gas and dust from a surrounding accretion disk. In other words, a “feeding” black hole.
Although J2157 is huge beyond imagination, it isn’t the most massive black hole we’ve ever observed. That title belongs to an ultramassive black hole powering the quasar known as TON 618, which is about 10.4 billion light-years away from Earth. That indescribably large light-swallowing beast weighs in at 66 billion solar masses. Below, for visual reference, is a comparison of all the differently sized black holes.
Like TON 618, J2157 is also astoundingly far from Earth. According to Science Alert, J2157 is some billions of light-years away. However, the measurement isn’t as exact as that for TON 618. J2157 can still help to illuminate the very early universe, however, when it was younger than 1 billion years old. Especially when it comes to gleaning information about the galaxy in which it resides.
“Is this galaxy one of the behemoths of the early Universe, or did the black hole just swallow up an extraordinary amount of its surroundings?” Onken asked rhetorically. Depending on the answer to that question, cosmological models explaining how the universe has grown over time could be altered. Right now, astronomers are still just trying to figure out how black holes can grow to be as massive as J2157 so early on in the universe’s existence.
What do you think about J2157 and its ability to swallow a Sun’s worth of mass every single day? Do you have any ideas as to how the ultramassive hole will change our understanding of the early universe? Let us know your thoughts in the comments!
Feature image: European Southern Observatory
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GENEVA — There is ‘very little risk’ that pets can infect their owners with COVID-19, the chief scientist of the World Health Organization (WHO) said on Thursday.
Soumya Swaminathan, WHO chief scientist, told a Geneva news conference that felines, ferrets and “even tigers” have been infected with the disease.
“There is very little risk from domestic animals because there was some concern about domestic animals becoming a source of infection,” she said.
Canadian sparrows changing their tune – Bangkok Post
WASHINGTON: Members of a Canadian sparrow species famous for their jaunty signature song are changing their tune, a curious example of a “viral phenomenon” in the animal kingdom, a study showed Thursday.
Bird enthusiasts first recorded the white-throated sparrow’s original song, with its distinctive triplet hook, in the 1950s.
Canadians even invented lyrics to accompany the ditty: “Oh my sweet, Ca-na-da, Ca-na-da, Ca-na-da.”
But starting from the late 20th century, biologists began noticing that members of the species in western Canada were innovating.
Instead of a triplet, the new song ended in a doublet and a new syncopation pattern. The new ending sounded like “Ca-na, Ca-na, Ca-na.”
Over the course of the next two decades, this new cadence became a big hit, moving eastward and conquering Alberta, then Ontario. It began entering Quebec last year.
It’s now the dominant version across more than 2,000 miles (3,000 kilometers) of territory, in an extremely rare example of the total replacement of historic bird dialect by another.
Scientist Ken Otter at the University of Northern British Columbia, and his colleague Scott Ramsay from Wilfrid Laurier University, described the dizzying pace of this transformation in the journal Current Biology.
“What we’re seeing is like somebody moving from Quebec to Paris, and all the people around them saying, ‘Wow, that’s a cool accent’ and start adopting a Quebec accent,” Otter told AFP.
Their work was based on 1,785 recordings between 2000 and 2019, the majority made by them but with contributions from citizen-scientists, who posted the files on specialist sites like xeno-canto.org.
In the western province of Alberta, about half of the recorded songs ended with the triplet in 2004; ten years later, all the males had adopted the doublet.
In 2015, half of western Canada had converted to the doublet version, and by last year, the new song had been well established on the western tip of eastern Quebec province.
At this rate, the historic triplet version may soon exist only in tape recordings.
– Bird influencers –
The males of the species sing to mark their territory, and their songs all share a common structure. Usually, if a variation appears, it remains regional and doesn’t make headway in neighboring territories.
The study represents the first time scientists have been able to show this kind spread at huge geographic scale, said Otter.
So how did it happen?
Probably in the same way that children return from summer camp humming new tunes: songbirds from different parts of Canada winter in the same parts of the United States, then return to their own homes in spring.
The researchers verified this theory by tagging a few of the birds.
So it was that in the plains of Texas and Kansas, the new song’s first adopters from western Canada — avian influencers, if you will — popularized the trend among their eastern brethren.
Previous work has shown that young birds can pick up a foreign song after listening to a recording.
But to truly understand why the males were willing to abandon the old song that had once served them well, the scientists have to rely on theories.
Otter believes it may be because females were more attracted to the new song, so young males rushed to adopt it.
“There seems to be some advantage to adding novel elements into your song that make the song, not necessarily more attractive, but increases people’s attention to it,” said Otter.
Going back to the human example, it would be akin to “if all the French women in Paris thought that a Quebec accent sounded much more interesting than a Parisian accent, and so everybody starts adopting a Quebec accent.”
The hypothesis remains unverified.
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