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TagDyson sphere

Deep Space

The Search for Extraterrestrial Life 16

The Webb wraps up a year of solid achievements, including the first direct image of an exoplanet

In our universe: Most distant galaxies observed in 2022: “Webb was made to observe the most distant galaxies in the universe, and in mid-December, scientists confirmed that they had done just that. The telescope has officially observed the four most distant galaxies known, which also means they are the oldest. Webb observed the galaxies as they appeared about 13.4 billion years ago, when the universe was only 350 million years old, about 2% of its current age.” – Rebecca Sohn, Space.com, December 29, 2022 Meanwhile, a much bigger telescope array, the multinational SKAO project, is under construction: Composed of respectively hundreds of dishes and thousands of antennas, the SKAO’s telescopes will be the two most advanced radio telescopes on Earth. Read More ›

Concept of internet security. Mixed media

New Sci-fi Dictionary Will Help Us Tell Our Aliens Apart

Not only are definitions of terms provided but many references to their use in sci-fi literature

Sci-fi fans will appreciate this new online resource: The Historical Dictionary of Science Fiction. The field is now very large. Even if you know what a Dyson sphere is (“an artificial structure in the form of a hollow shell surrounding a star”), you may not know where, in science fiction and commentary, the term has been used. Many such examples are right there at the link. Many other terms are defined, like “Anglic” (future English) and “Belter” (resident of an asteroid belt). We may not need the definition if we are reading the book or watching the film but we will if someone uses the term in casual conversation. The compiler is lexicographer Jesse Sheidlower who has worked at the Read More ›