How to spot ‘Santa’ in the night sky next week: International Space Station will be visible to the naked eye as it passes over the UK on Christmas Eve
- The International Space Station completes an orbit of the Earth in 90 minutes
- For most of the UK, the ISS should be visible at 06:23 GMT on Christmas Eve
- It will also be visible on Christmas morning at 05:37 GMT, travelling east
If you don’t manage to catch a glimpse of a reindeer-towed sleigh soaring over your house on Christmas Eve, there is another ‘Santa’ you can look out for.
NASA has revealed that the International Space Station (ISS) will be visible to the naked eye on 24 December, as it passes over the UK.
The space agency says that the spacecraft ‘is the third brightest object in the sky and easy to spot if you know when to look up’.
And, while it’s not the man in red, the ISS may make a good alternative for the big and small kids who will be looking out for him.
Keeping the magic of Santa alive is something parents around the world do for their children every Christmas, and NASA suggests looking up tonight to ‘see him fly’
It won’t actually be the man in red, rather the International Space Station as it speeds around the Earth at 17,000 miles per hour, orbiting 250 miles above the surface
London – 04:51 – 04:52, 06:23 – 06:28
Edinburgh – 04:51, 06:24 – 06:29
Cardiff – 04:51, 06:23 – 06:28
Belfast – 06:23 – 06:27
London – 05:37 – 05:40, 07:11 – 07:19
Edinburgh – 05:37 – 05:40, 07:11 – 07:17
Cardiff – 05:37 – 05:40, 07:11 – 07:17
Belfast – 05:38 – 05:40, 07:10 – 07:16
All times in GMT
The ISS speeds around the Earth at 17,000 miles per hour, orbiting 250 miles above the surface.
For most of the UK, it should be visible on Christmas Eve for one minute at 04:51 GMT in the east by south east just above the horizon, and five minutes at 06:23 GMT, slightly higher in the sky in the west by south west.
On Christmas morning, the station will pass over again, this time for three minutes at 05:37 GMT, and for seven minutes at 07:11 GMT.
It will be moving in an easterly direction during each sighting opportunity.
For the best view of the ISS you’ll need to find a dark sky area, with minimal to no light pollution, according to NASA, who said it is the ‘third brightest object.’
‘Visible to the naked eye, it looks like a fast-moving plane only much higher and travelling thousands of miles an hour faster!,’ NASA said.
You’ll also be able to distinguish the ISS from a plane by the fact it doesn’t have blinking lights.
For those on the ISS, they create their own ‘space family traditions’ and could do so 16 times on December 25, as the station orbits the Earth every 90 minutes.
Last year, they celebrated with a turkey dinner and presents, which were delivered by a SpaceX Dragon cargo ship.
NASA isn’t the only government agency getting in on the Santa tracking task.
NORAD, the North American Aerospace Defense Command, a bi-national agency run by Canada and the US, is also monitoring the path of the jolly gift giver.
For over 60 years, NORAD and its predecessor, the Continental Air Defense Command (CONAD) have tracked Santa’s flight on Christmas Eve.
They begin the tracking at midnight on December 23, and keep users up to date with where he would be expected to be at any given moment in time, during his mission to bring toys to the children of the world.
But the ISS isn’t the only treat for stargazers this festive season.
A space rock up to 460ft-wide and dubbed the ‘Christmas asteroid’ is racing past the Earth and will be visible until 19 December from Europe.
It made its closest approach yesterday, when it came within 420,000 miles (680,000km) of our planet.
The European Space Agency (ESA) said that telescopes 11 inches (30cm) and larger should be able to detect the Christmas asteroid.
A space rock up to 460ft-wide and dubbed the ‘Christmas asteroid’ will race past the Earth this festive season (stock image)
But if you do think you spot a jingling sleigh in the sky on Christmas Eve, you’ll be pleased to know that the man on board is flying ethically.
That’s because scientists have calculated Santa’s carbon footprint as only 20,000 tonnes of CO2 emissions, taking into account the elves manufacturing the gifts, heating the cabin and sleigh journey.
That’s the equivalent of 0.5 per cent of the worst estimates for the carbon footprint of the FIFA World Cup in Qatar.
The team at Purdue University found that his journey around the world would release just 10g of carbon per child – the equivalent to one scoop of ice cream.
Research has shown that elves manufacturing gifts for Santa, the heating of Santa’s cabin and then his sleigh journey, only amounts to 20,000 tCo2e – equivalent to 0.5 per cent of the worst estimates for the carbon footprint of the FIFA World Cup in Qatar
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EXPLAINED: THE $100 BILLION INTERNATIONAL SPACE STATION SITS 250 MILES ABOVE THE EARTH
The International Space Station (ISS) is a $100 billion (£80 billion) science and engineering laboratory that orbits 250 miles (400 km) above Earth.
It has been permanently staffed by rotating crews of astronauts and cosmonauts since November 2000.
Crews have come mainly from the US and Russia, but the Japanese space agency JAXA and European space agency ESA have also sent astronauts.
The International Space Station has been continuously occupied for more than 20 years and has been expended with multiple new modules added and upgrades to systems
Research conducted aboard the ISS often requires one or more of the unusual conditions present in low Earth orbit, such as low-gravity or oxygen.
ISS studies have investigated human research, space medicine, life sciences, physical sciences, astronomy and meteorology.
The US space agency, NASA, spends about $3 billion (£2.4 billion) a year on the space station program, with the remaining funding coming from international partners, including Europe, Russia and Japan.
So far 244 individuals from 19 countries have visited the station, and among them eight private citizens who spent up to $50 million for their visit.
There is an ongoing debate about the future of the station beyond 2025, when it is thought some of the original structure will reach ‘end of life’.
Russia, a major partner in the station, plans to launch its own orbital platform around then, with Axiom Space, a private firm, planning to send its own modules for purely commercial use to the station at the same time.
NASA, ESA, JAXA and the Canadian Space Agency (CSA) are working together to build a space station in orbit around the moon, and Russia and China are working on a similar project, that would also include a base on the surface.
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