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Astronomers deal a blow to theory that Venus once had liquid water on its surface

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Astronomers deal a blow to theory that Venus once had liquid water on its surface

Phys.org December 2, 2024

Size comparison of Venus and Earth. Credit: NASA/JPL/Magellan A team of astronomers has found that Venus has...

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Cosmological model proposes dark matter production during pre-Big Bang inflation

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Cosmological model proposes dark matter production during pre-Big Bang inflation

Phys.org December 1, 2024

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New approach uses observed local supervoid to give expansion of the universe an extra push and solve the Hubble tension

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New approach uses observed local supervoid to give expansion of the universe an extra push and solve the Hubble tension

Phys.org December 1, 2024

If we are located in a region with below-average density such as the green dot, then matter...

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‘Marching orders haven’t changed’: New Artemis mobile launcher takes shape amid uncertain future

8 min read

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‘Marching orders haven’t changed’: New Artemis mobile launcher takes shape amid uncertain future

Phys.org November 30, 2024

Credit: Edvin Richardson from Pexels Months after an alarmist review from NASA’s Office of the Inspector General,...

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How much are asteroids really worth?

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How much are asteroids really worth?

Phys.org November 29, 2024

Asteroid mining concept. Credit: NASA/Denise Watt Popular media love talking about asteroid mining using big numbers. Many...

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Ryugu asteroid samples indicate damage from microscopic meteoroid bombardment

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Ryugu asteroid samples indicate damage from microscopic meteoroid bombardment

Phys.org November 29, 2024

Snapshots of micrometeoroid bombardment simulations at different timescales with a velocity of 20 km/s (a) and 300...

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Observing dark matter at cosmic dawn

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Observing dark matter at cosmic dawn

Phys.org November 29, 2024

A simulated dark matter halo from a many-body cosmological simulation. Credit: Wikipedia via CC BY-SA 3.0 After...

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Webb observations explore the Westerlund 1 star cluster

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Webb observations explore the Westerlund 1 star cluster

Phys.org November 28, 2024

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Investigating how the biggest galaxies in the cosmos grew so quickly before dying

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Investigating how the biggest galaxies in the cosmos grew so quickly before dying

Phys.org November 28, 2024

Credit: Pixabay/CC0 Public Domain Astronomers are closer than ever to working out how the biggest galaxies in...

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Northern lights may be faintly visible across parts of the US this Thanksgiving

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Northern lights may be faintly visible across parts of the US this Thanksgiving

Phys.org November 28, 2024

The northern lights appear over Anchorage, Alaska, early the morning of Friday, Oct.. 11, 2024. Credit: AP...

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