Space Force satellite launch could create a luminous cloud in tonight's evening sky

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Space Force satellite launch could create a luminous cloud in tonight's evening sky
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Skywatchers in the Western Hemisphere may see a fuel dump from a satellite that launched earlier today on a United Launch Alliance Atlas V rocket.

If you are outside doing some stargazing in the Western Hemisphere this evening and are looking up at just the right time, you might catch sight of something that will appear quite strange: a small circular cloud of light that will rapidly expand to roughly the apparent size of aWhat you will have just seen is not some strange atmospheric phenomenon, but a fuel dump from a U.S.

According to ULA's flight profile, 6 hours and 35 minutes after launch, the first of the two satellites will be released to its geosynchronous orbit, followed 10 minutes later by the second satellite .Seven hours, 11 minutes and 40 seconds after the launch, the Centaur second stage will dump its unused fuel out into space. Dumping excess fuel is the usual practice for all Centaur booster-assisted launches.

In a Twitter thread, assiduous satellite watcher Cees Bassa has provided a considerable amount of information concerning the visibility of the fuel dump:

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