Starlust on MSN
Comet C/2025 R2 (SWAN) can still be spotted from the Earth—viewing tips and its likely coordinates
As of October 28, 2025, the comet resides in the Aquarius constellation. Its present separation from Earth is more than 29.2 million miles.
THE activity of the United States Coast and Geodetic Survey Department in carrying out a magnetic survey of the States and outlying territories has long been a subject of interest to magneticians, and ...
THE latest American publication of similar scope referred to 1905, but declination charts for 1910 have been published. The observing stations used for the present charts exceeded in number those used ...
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