A pin being pushed into a bubble, in which there is an image of the Universe

Can cosmic inflation be ruled out?

03 November 2022

Astrophysicists say that cosmic inflation – a point in the Universe’s infancy when space-time expanded exponentially, and what physicists really refer to when they talk about the ‘Big Bang’ – can in principle be ruled out in an assumption-free way.

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Nobel Laureates of Cambridge

30 September 2022

What’s it like to win a Nobel Prize? Does it always come as a surprise? How does it change your life? Professor Didier Queloz, winner of the 2019 Nobel Prize in Physics, reflects on what he says was a turning point for him. 

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The Atacama Large Millimeter/submillimeter Array (ALMA) by night

Slow spin of early galaxy observed for the first time

01 July 2022

One of the most distant known galaxies, observed in the very earliest years of the Universe, appears to be rotating at less than a quarter of the speed of the Milky Way today, according to a new study involving University of Cambridge researchers.

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Artist's impression of spinning galaxy

Astronomers detect ‘whirlpool’ movement in earliest galaxies

10 January 2018

Astronomers have looked back to a time soon after the Big Bang, and have discovered swirling gas in some of the earliest galaxies to have formed in the Universe. These ‘newborns’ – observed as they appeared nearly 13 billion years ago – spun like a whirlpool, similar to our own Milky Way. This is the first time that it has been possible to detect movement in galaxies at such an early point in the Universe’s history. 

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