Astronomy

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Starwatch: your best chance of the year to see Mercury at night
Observers in the northern hemisphere can start tonight to look for the elusive target

Stuart Clark

10, May, 2021 @5:00 AM

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Eta Aquarids meteor shower 2021: Australia expecting to see spectacular display of shooting stars
The best time to look skyward will be from 2.30am to 3am on Friday, Saturday and Sunday morning – and you won’t need a telescope

Mostafa Rachwani

06, May, 2021 @5:50 AM

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Starwatch: shooting stars from the tail of Halley’s comet
The Eta Aquarids may not be the most spectacular meteors of the year but they are fun to see

Stuart Clark

03, May, 2021 @5:00 AM

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Why is tonight’s full moon called a pink supermoon?
The pink moon is named not because it takes on a particular colour, but for the colour of a flowering phlox

Graham Readfearn

27, Apr, 2021 @6:58 AM

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‘A fleeting vacation from terrestrial concerns’: readers’ best stargazing photos
Many people have spent more time at home due to the pandemic, creating opportunity for some to do more stargazing. Readers share their astrophotography

Guardian readers and Alfie Packham

26, Apr, 2021 @7:52 AM

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Asteroid’s 22m-year journey from source to Earth mapped in historic first
Flight path of Kalahari’s six-tonne asteroid is first tracing of meteorite shedding rock to solar system origin

Ian Sample Science editor

22, Apr, 2021 @11:16 PM

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Cielo review – love letter to the desert’s starry skies
Alison McAlpine’s documentary draws out tales from locals and astronomers to evoke the magic and mystery of Chile’s stargazing hotspot

Cath Clarke

22, Apr, 2021 @10:12 PM

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Is the ‘new muon’ really a great scientific discovery? For now, I’m cautious | Carlo Rovelli
Physicists are always looking for eureka moments – but we should be careful with headline-grabbing announcements, says physicist Carlo Rovelli

Carlo Rovelli

19, Apr, 2021 @6:00 AM

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Starwatch: start with the bear and go from there
Once you’ve traced out the full Ursa Major constellation, look for Polaris and shooting stars

Stuart Clark

19, Apr, 2021 @5:00 AM

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Readers reply: the universe is expanding – but what is it expanding into?
The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

18, Apr, 2021 @1:00 PM

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The universe is expanding – but what is it expanding into?
The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

13, Apr, 2021 @11:00 AM

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Starwatch: prepare to track down a young crescent moon
This week the perennial beauty appears in Taurus so watch the western sky at sunset for it to emerge

Stuart Clark

12, Apr, 2021 @5:00 AM

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