‘WTF?’: Newly Discovered Ghostly Circles in the Sky Can’t Be Explained by Current Theories, and Astronomers Are Excited

In September 2019, His colleague Anna Kapinska gave a presentation showing interesting objects she’d found while browsing our new radio astronomical data. She had started noticing very weird shapes she couldn’t fit easily to any known type of object. Among them, labeled by Anna as WTF?, was a picture of a ghostly circle of radio […]

Read More ‘WTF?’: Newly Discovered Ghostly Circles in the Sky Can’t Be Explained by Current Theories, and Astronomers Are Excited

When We Finally Find Aliens, They Might Smell Terrible – Scientific American Blog Network

Imagine for a moment that an alien astrophysicist on some distant but inhabited planet is trying to find out whether Earth is inhabited. If they were looking in the last 100 years, there would have been several unequivocal pieces of evidence: radio signals, television broadcasts, emissions of artificial chemicals such as chlorofluorocarbons, or CFCs. But […]

Read More When We Finally Find Aliens, They Might Smell Terrible – Scientific American Blog Network