Comet Johnson has been sliding south down the side of Bo'tes all month and slowly brightening. This week, its tail narrows as Earth crosses the comet's orbit. Read post here .
Astro Bob blog: Earth Crosses Comet Johnson Orbit, Tails Twist
Comet Johnson has been sliding south down the side of Bo?tes all month and slowly brightening. This week, its tail narrows as Earth crosses the comet's orbit. Read post here.
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