Spirographs, invented in 1962, are toys that create geometric patterns using gears. These designs are used in art and similar patterns can be found in nature.
Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...
Deflection efforts “might not be able to stop 2024 YR4,” cautioned Robin George Andrews, a London volcanologist and author, ...
The volcanologist threw cold water on the defense potential of the DART (Double Asteroid Redirection Test) spacecraft, which ...
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