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 Bob Kerman‭

Type On... Excerpt Status Date
Question How many satellites would we have to launch to create an artificial set of rings around Earth
Saturn has rings of debris which orbit it, and it is possible to get a satellite into an orbit that will at least last a few years, so my question is as follows; How many satellites (or just the pure volume of material if it is easier) would we have to launch into a temporary orbit (unless a permanen...
(more)
almost 5 years ago
Question What type of planet where non-aerodynamic space launch vehicles are possible
What would be the approximate gravity, atmosphere etc. of a planet for a species to never make or use launch vehicles with rounded shapes like tapering cylinders, because they make use of the increased carrying capacity of a cubic/rectangular prism shaped spacecraft in contradiction to the problems d...
(more)
almost 5 years ago