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xkcd #2979: Sky Alarm (xkcd.com)

submitted 2 months ago by [email protected] to c/[email protected]

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alt text:

During the day it also activates for neat clouds and pretty sunsets.

https://explainxkcd.com/2979/

PSA: This xkcd was released 6 days ago and nobody posted it. It is in fact allowed for other people to post new xkcd comics to this community too, you don't have to wait for me to do that.

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[–] [email protected] 9 points 2 months ago* (last edited 2 months ago)

Relevant to this idea, I use these apps to let me know when things like the International Space Station, meteor showers, aurorae, etc are visible overhead:

https://spotthestation.nasa.gov/

https://www.timeanddate.com/astronomy/night/

Would be neat if there were one unified app to track them all and send notifications