The Institute of Applied Geophysics uses a scale of five levels, where G5 is "extremely strong" and G1 is "weak" ...
The aurora could be visible across Canada and much of the northern tier of U.S. states — and possibly farther south — after a ...
Largest solar radiation storm in more than 20 years could trigger auroras on Earth - A solar radiation storm this large has ...
Recently discovered interstellar comet 3I/ATLAS have been captured using the European Southern Observatory's Very Large ...
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