Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
|
from
login
What are the mysterious light sources on light pollution maps?
(
altairspace.com
)
519 points
by
landfish
on March 3, 2020
|
past
|
142 comments
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
