Communities

Writing
Writing
Codidact Meta
Codidact Meta
The Great Outdoors
The Great Outdoors
Photography & Video
Photography & Video
Scientific Speculation
Scientific Speculation
Cooking
Cooking
Electrical Engineering
Electrical Engineering
Judaism
Judaism
Languages & Linguistics
Languages & Linguistics
Software Development
Software Development
Mathematics
Mathematics
Christianity
Christianity
Code Golf
Code Golf
Music
Music
Physics
Physics
Linux Systems
Linux Systems
Power Users
Power Users
Tabletop RPGs
Tabletop RPGs
Community Proposals
Community Proposals
tag:snake search within a tag
answers:0 unanswered questions
user:xxxx search by author id
score:0.5 posts with 0.5+ score
"snake oil" exact phrase
votes:4 posts with 4+ votes
created:<1w created < 1 week ago
post_type:xxxx type of post
Search help
Notifications
Mark all as read See all your notifications »

Activity for Donny‭

Type On... Excerpt Status Date
Question Eye in the Sky Effect
Is there any conceivable way that a planet with two moons--one being visibly red to the naked eye due to its mineral composition--could align in an eclipse in such a way so that the whole effect looks like a glaring eye in the sky, with the smaller red planet as the "eye's" pupil?
(more)
almost 10 years ago
Question Predicting lunar eclipses with multiple moons
I realize that creating worlds with multiple moons and/or suns is risky, but I'm toying with an idea to see where it goes. So, a planet has 3 moons. One is large like ours, the second is about half the first's diameter (and mass) and the third is about half of the second's diameter (and mass). If al...
(more)
about 10 years ago