Space

Hubble trouble, and make it double: Disagreement over one of the universe’s most important constants

In the beginning, all that would become the universe was concentrated into an extremely small, dense, high-energy speck of space. In the fractions of seconds that followed, this singularity exploded: one hundred decillionths (10–35) of a second after, it expanded to nearly the size of a soccer ball; after one nonillionth (10–30) of a second, […]

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Cosmic Cuisine

Cosmic Cuisine By Anushka Biswas, Cell and Molecular Biology, 2023 Source: Flickr Day 152. Shifting through rations, you’re faced with the nightly dilemma: freeze-dried tofu with mustard or nutritional wildberry slurry? Every fibre of your mind and body longs for a carrot. Welcome to life in space. For astronauts aboard the International Space Station (ISS)

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Black Holes in a Bathtub? How Scientists are Using Water Vortices to Study Black Holes

How do you conduct a laboratory experiment when your subject can be as wide as 400 AU and as massive as ten billion suns? An international team of scientists at the Black Hole Laboratory at the University of Nottingham faced this question in their study of black holes. Their solution was to simulate a rotating

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Wreaking HAVOC on Venus

For decades, Mars has been the planet in vogue: the possibility of exploration, even colonization, beyond the Earth system captured the imagination of the public (as well as certain billionaires). But such a mission might be more technically challenging than we’re ready for. Transit of up to a year each way makes it difficult to

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