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EarthSky Expert Interviews
Look for Mars and Mercury shortly after sunset on February 8
On February 8, the planets Mercury and Mars are in conjunction – only a fraction of one degree... Read More
How the world’s saltiest pond gets its salt
Findings based on data gathered about the sustained salinity of Antarctica’s Don Juan Pond... Read More
Salmon use Earth’s magnetic field to navigate ocean to river, says study
Scientists examined 56 years of fisheries data documenting the return of sockeye salmon to... Read More
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