2nd-known interstellar visitor rounds the sun – EarthSky

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2nd-known interstellar visitor rounds the sun – EarthSky

The 1st interstellar object – 1I/’Oumuamua – had already passed closest to our sun when astronomers first spotted it. So catching this 2nd one – 2I/Borisov – prior to perihelion was a big plus for astronomers! Before and after images here.
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