The moon could get its own time zone, but clocks work differently there – here’s why
Most of us have at some point stopped to gaze up at the moon – but have you ever wondered what time it is up there?
For those who have, their question may soon have an answer, as space organisations are considering giving the moon its very own time zone.
Dozens of lunar missions, including ones to build bases and other habitats on the moon, are planned for the decade ahead, the European Space Agency (ESA) has said.
Space organisations began discussions about lunar time-keeping at the ESA’s ESTEC technology centre in the Netherlands in November 2022.
ESA navigation system engineer Pietro Giordano said: “We agreed on the importance and urgency of defining a common lunar reference time, which is internationally accepted and towards which all lunar systems and users may refer to.
“A joint international effort is now being launched towards achieving this.”
Up until now, each new mission to the moon has been operated on its own timescale, with deep space antennas used to keep onboard chronometers synchronised with the time on Earth.
Beyond astronauts and ground controllers being able to tell the time on the moon, the need for standard time-keeping in space is also essential for guidance and navigation.
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Just as GPS systems on Earth require precise coordination and timing, so too will any infrastructure that is built and operated on the moon.
NASA’s Gateway station will serve as a multi-purpose outpost orbiting the moon when it begins operating sometime after November 2024.
It will be open to astronaut stays and provide support for humans to return to the moon’s surface.
Meanwhile, the ESA will be putting down its own Argonaut lander on the moon.
These missions will not only be operating on or around the moon at the same time – they will also be interacting and potentially relaying communications for one another and performing joint observations.
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The ESA has said that among the current topics under debate is whether a single organisation should be responsible for setting and maintaining lunar time, and whether it should be set on an independent basis or be kept synchronised with Earth.
The international team working on the subject will face “considerable technical issues”, the ESA has said.
Why do clocks work differently on the moon?
One challenge is that clocks on the moon run faster than their equivalents on Earth, as clocks tick slower in stronger gravitational fields, therefore gaining around 56 microseconds or millionths of a second per day.
Their exact rate depends on their position on the moon, ticking at a different speed on the lunar surface than when they are in orbit.
Bernhard Hufenbach, a member of the Moonlight Management Team from ESA’s Directorate of Human and Robotic Exploration, said: “Of course, the agreed time system will also have to be practical for astronauts.
“This will be quite a challenge on a planetary surface where in the equatorial region each day is 29.5 days long, including freezing fortnight-long lunar nights, with the whole of Earth just a small blue circle in the dark sky.
“But having established a working time system for the moon, we can go on to do the same for other planetary destinations.”
World
Body pulled from mine after police cut off supplies to ‘smoke out’ thousands of illegal miners
A body has been recovered from a South African mine after police cut off basic supplies in an effort to force around 4,000 illegal miners to resurface.
The body has emerged from the closed gold mine in the northwest town of Stilfontein a day after South Africa’s government said it would not help the illegal miners.
Around 20 people have surfaced from the mineshaft this week as police wait nearby to arrest all those appearing from underground.
It comes a day after a cabinet minister said the government was trying to “smoke them [the miners] out”.
The move is part of the police’s “Close the Hole” operation, whereby officers cut off supplies of food, water and other basic necessities to get those who have entered illegally to come out.
Local reports suggest the supply routes were cut off at the mine around two months ago, with relatives of the miners seen in the area as the stand-off continues.
Relatives of miners and community members wait at the mine shaft. Pic: AP
A decomposed body was brought up on Thursday, with pathologists on the scene, police spokesperson Athlenda Mathe said.
It comes after South African cabinet minister Khumbudzo Ntshavheni told reporters on Wednesday that the government would not send any help to the illegal miners, known in the country as zama zamas, because they are involved in a criminal act.
“We are not sending help to criminals. We are going to smoke them out. They will come out. Criminals are not to be helped; criminals are to be prosecuted. We didn’t send them there,” Ms Ntshavheni said.
An aerial view of a mineshaft. Pic: AP
Senior police and defence officials are expected to visit the area on Friday to “reinforce the government’s commitment to bringing this operation to a safe and lawful conclusion”, according to a media advisory from the police.
In the last few weeks, over 1,000 miners have surfaced at various mines in South Africa’s North West province, where police have cut off supplies.
Many of the miners were reported to be weak, hungry and sickly after going for weeks without basic supplies.
Illegal mining remains common in South Africa’s old gold-mining areas, with miners going into closed shafts to dig for any possible remaining deposits.
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Relatives of miners and community members wait near the mine shaft. Pic: AP
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The illegal miners are often from neighbouring countries, and police say the illegal operations involve larger syndicates that employ the miners.
Their presence in closed mines has also created problems with nearby communities, which complain that the illegal miners commit crimes ranging from robberies to rape.
Illegal mining groups are known to be heavily armed and disputes between rival groups sometimes result in fatal confrontations.
World
Ukrainian frontline commander warns: ‘The world is scared of Russia and losing is not only our problem’
In the courtyard of a farmhouse now home to soldiers of the Ukrainian army’s 47th mechanised brigade, I’m introduced to a weary-looking unit by their commander Captain Oleksandr “Sasha” Shyrshyn.
We are about 10km from the border with Russia, and beyond it lies the Kursk region Ukraine invaded in the summer – and where this battalion is now fighting.
The 47th is a crack fighting assault unit.
They’ve been brought to this area from the fierce battles in the country’s eastern Donbas region to bolster Ukrainian forces already here.
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The captain known by his men as ‘Genius’
In the summer, Ukraine launched an incursion into Russian territory, in Kursk
Captain Shyrshyn explains that among the many shortages the military has to deal with, the lack of infantry is becoming a critical problem.
Sasha is just 30 years old, but he is worldly-wise. He used to run an organisation helping children in the country’s east before donning his uniform and going to war.
He is famous in Ukraine and is regarded as one of the country’s top field commanders, who isn’t afraid to express his views on the war and how it’s being waged.
His nom de guerre is ‘Genius’, a nickname given to him by his men.
Captain Sasha Shyrshyn and Sky News chief correspondent Stuart Ramsay
‘Don’t worry, it’s not a minefield’
Sasha invited me to see one of the American Bradley fighting vehicles his unit uses.
We walk down a muddy lane before he says it’s best to go cross-country.
“We can go that way, don’t worry it’s not a minefield,” he jokes.
He leads us across a muddy field and into a forest where the vehicle is hidden from Russian surveillance drones that try to hunt both American vehicles and commanders.
Sasha shows me a picture of the house they had been staying in only days before – it was now completely destroyed after a missile strike.
Fortunately, neither he, nor any of his men, were there at the time.
“They target commanders,” he says with a smirk.
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‘The world is scared of Russia’
It takes me a moment or two to realise we are only a few steps away from the Bradley, dug in and well hidden beneath the trees.
The disguised American Bradley vehicle hidden in the forest
Sasha tells me the Bradley is the finest vehicle he has ever used.
A vehicle so good, he says, it’s keeping the Ukrainian army going in the face of Russia’s overwhelming numbers of soldiers.
He explains: “Almost all our work on the battlefield is cooperation infantry with the Bradley. So we use it for evacuations, for moving people from one place to another, as well as for fire-covering.
“This vehicle is very safe and has very good characteristics.”
The American Bradley fighting vehicle that Ukrainian soldiers have found vital in their efforts
Billions of dollars in military aid has been given to Ukraine by the United States, and this vehicle is one of the most valuable assets the US has provided.
Ukraine is running low on men to fight, and the weaponry it has is not enough, especially if it can’t fire long-range missiles into Russia itself – which it is currently not allowed to do.
If President-elect Donald Trump cuts the supply of military aid, the Ukrainians will lose – it’s that simple.
US President-elect Donald Trump has been clear he intends to change his nation’s policy on the war in Ukraine. Pic: Reuters
Sasha says: “We have a lack of weapons, we have a lack of artillery, we have a lack of infantry, and as the world doesn’t care about justice, and they don’t want to finish the war by our win, they are afraid of Russia.
“I’m sorry but they’re scared, they’re scared, and it’s not the right way.”
Like pretty much everyone in Ukraine, Sasha is waiting to see what the US election result will mean for his country.
He is sceptical about a deal with Russia.
“Our enemy only understands the language of power. And you cannot finish the war in 24 hours, or during the year without hard decisions, without a fight, so it’s impossible. It’s just talking without results,” he tells me.
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‘Losing will be not only our problem’
These men expect the fierce battles inside Kursk to intensify in the coming days.
Indeed, alongside the main supply route into Kursk, workers are already building new defensive positions – unfurling miles of razor wire and digging bunkers for the Ukrainian army if it finds itself in retreat.
Barbed wire rolled out in the Sumy region ahead of expected fighting
Tank traps in the Sumy region
Sasha and his men are realistic about support fatigue from the outside world but will keep fighting to the last if they have to.
“I understand this is only our problem, it’s only our issue, and we have to fight this battle, like we have to defend ourselves, it’s our responsibility,” Sasha said.
But he points out everyone should realise just how critical this moment in time is.
“If we look at it widely, we have to understand that us losing will be not only our problem, but it will be for all the world.”
Stuart Ramsay reports from northeastern Ukraine with camera operator Toby Nash, and producers Dominique Van Heerden, Azad Safarov, and Nick Davenport.
A weather warning has been issued for parts of Spain, as the country counts the cost of recent flooding.
The orange warnings are in place for parts of southwestern Spain – the area around Seville down towards Gibraltar.
Up to 8cm (3ins) of rain could fall within 12 hours, but the weekend looks much more settled in the country.
The latest warnings come just two weeks after flash flooding in Valencia and other parts of the country killed more than 200 people.
Malaga saw 14.2cm (5.6ins) of rainfall on Wednesday – Spain’s highest of the day – most of which fell in six hours.
All train services were halted in Malaga. Some flights have now resumed after the initial disruption.
Pic: Jamie Marchant
Emergency services in the province have moved 3,000 people from homes at risk of flooding close to the Guadalhorce River in the west of the city.
Jamie Marchant, 29, from Caerphilly in South Wales travelled to Malaga last Wednesday.
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He told Sky News that “debris” had been left behind by the recent rainfall in the region.
“Everyone is pitching in to clean up and some shops are opening as usual,” he added.
Orange warnings for the Valencia region in eastern Spain expired earlier on Thursday.
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The adverse weather could lead to total insured losses of more than €4bn (£3.33bn), according to credit rating agency Morningstar DBRS.
Much of the claims are expected to be covered by the Spanish government’s insurance pool, the agency said, but insurance premiums are likely to increase.
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