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Corrections
January 2022, page 17—The report incorrectly described Earth’s distance from Messier 51. It is more accurate to say that it is about 400 times as distant as the far edge of the Milky Way’s disk.
January 2022, page 37—In figure 2, the legend should indicate that the blue circle represents Earth’s orbit and the red circle represents Mars’s. A corrected figure can be found online.
1.
R. M.
Wilson
, Physics Today
75
(1
), 17
(2022
). 2.
K.
Altwegg
, Physics Today
75
(1
), 34
(2022
). © 2022 American Institute of Physics.
2022
American Institute of Physics
