Asteroids

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Asteroid 2023 BU about to pass Earth in one of closest ever encounters
No danger, says Nasa, from delivery truck-sized asteroid that was discovered on Saturday and will pass lower than communication satellites

Guardian staff and agencies

26, Jan, 2023 @1:24 AM

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Above and beyond: key events in 2022 that shaped space exploration
It was a great year for a slight lifting of the veil on the final frontier – from redirecting an asteroid to a glimpse into creation

Richard Luscombe in Miami

31, Dec, 2022 @8:00 AM

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Meteorite that landed in Cotswolds may solve mystery of Earth’s water
Rock that crashed into family’s driveway provides compelling evidence water arrived on asteroids

Hannah Devlin Science correspondent

16, Nov, 2022 @7:19 PM

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Huge ‘planet killer’ asteroid discovered – and it’s heading our way
With a diameter of 1 to 2km, space rock named 2022 AP7 crosses our orbit but has ‘no chance’ of hitting Earth

Nicola Davis Science correspondent

01, Nov, 2022 @7:05 PM

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Terrawatch: Asteroid that wiped out dinosaurs triggered global mega-tsunami
Jumble of rocks in far-flung locations help researchers work out how big and how far-reaching impact would have been

Kate Ravilious

26, Oct, 2022 @5:00 AM

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‘This one’s for the dinosaurs’: how the world reacted to Nasa’s asteroid smashing success
Astrophiles and professionals celebrated humanity’s accomplishment at hitting a speeding space rock with a probe the size of a vending machine

Donna Lu

27, Sep, 2022 @10:11 PM

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Nasa’s Dart probe to smash into asteroid in first Earth defence test
Aim is to see whether space rocks can be deflected should one threaten humans with same fate as dinosaurs

Ian Sample Science editor

25, Sep, 2022 @6:00 AM

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Nasa to crash $330m spacecraft into asteroid to see if impact can alter course
Space agency to cause collision with Dimorphos to avert sci-fi fears of catastrophic impact with Earth

Robin McKie Science Editor

03, Sep, 2022 @1:00 PM

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Starwatch: be like the ‘celestial police’ and find asteroid Vesta in the sky
Second largest asteroid was discovered by four German astronomers in 1807 while looking for a missing planet

Stuart Clark

22, Aug, 2022 @5:00 AM

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Springtime asteroid hit ramped up extinction rates, say scientists
Animals in northern hemisphere would have been more vulnerable to intense heat just after winter

Ian Sample Science editor

23, Feb, 2022 @4:00 PM

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‘Don’t Look Up’: humanity could avert asteroid Armageddon, say scientists
Planet likely to be spared from catastrophic end if 10km-wide Earthbound asteroid was spotted, analysis finds

Hannah Devlin Science correspondent

27, Jan, 2022 @6:28 PM

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Out of this world: did Earth’s water come from icy comets and grains of space dust?
New British research backs theory that parched planet’s water all came from extraterrestrial source

Robin McKie Science editor

11, Dec, 2021 @5:00 PM

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