Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
michael1999
17 hours ago
|
parent
|
context
|
favorite
| on:
Why is the sky blue?
It can be -
https://en.wikipedia.org/wiki/Green_flash
s0rce
17 hours ago
[–]
That's refraction not scattering though.
reply
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: