Free Trial

Weekly Challenges

Solve the challenge, share your solution and summit the ranks of our Community!

Also available in | Français | Português | Español | 日本語
IDEAS WANTED

Want to get involved? We're always looking for ideas and content for Weekly Challenges.

SUBMIT YOUR IDEA

Challenge #421: Which US city could observe solar eclipses in both 2023 and 2024?

AshaDaniels
8 - Asteroid
Spoiler
Screenshot 2024-09-11 102418.png
AnaKomissaroff
8 - Asteroid
Spoiler
Spoiler 1
Challenge_421_Solved.png
Bobbyt23
12 - Quasar

Good challenge, I got two results for the final part so may have done something wrong on that.

ggruccio
ACE Emeritus
ACE Emeritus

Not sure why this one didn't show up in my "Solved" count when I posted originally.

Spoiler
Screenshot 2024-10-30 081838.png
Yogesh1795
8 - Asteroid

Love these interesting challenges

lwolfie
11 - Bolide

Nice Friday Exercise.

martinson
9 - Comet

Attempt 1

jfissel
8 - Asteroid
Spoiler
challenge_421_jfissel.png