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Composition of gases in the Milky Way appears surprisingly patchy

Physics World

De Cia’s team observed 25 of the hottest, brightest stars, ranging from 200 to 9000 light years away, using the Space Telescope Imaging Spectrograph on the Hubble Space Telescope. Definitely not,” says César Esteban López of the Instituto de Astrofísica de Canarias in Tenerife. Difference of opinion.

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Scanning the cosmos for signs of alien technology

Physics World

Astronomers have been drawing up plans for the technosignatures that might be viewable with the next generation of space telescopes. For about 60 years now, radio astronomers have trained their increasingly sophisticated telescopes at the sky, looking for signals that might have come from extraterrestrial intelligence.

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‘Science is a measure of our ignorance: the more we know, the more we realize how little we know’

Frontiers

As a member of the LISA and Einstein Telescope consortia, his research areas are gravitational waves, nonlocal quantum gravity, multifractal spacetimes, cosmologies beyond the standard model, and string theory. We already know that Einstein was definitely not wrong; his theory of general relativity has been tested in many independent ways.

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