3 ms·
I think the solar system as defined here extends out to the edge of the Oort Cloud. >https://en.m.wikipedia.org/wiki/Oort_cloud https://en.m.wikipedia.org/wiki
by bitcurious 5y ago
I think the solar system as defined here extends out to the edge of the Oort Cloud.
>https://en.m.wikipedia.org/wiki/Oort_cloud https://en.m.wikipedia.org/wiki/Oort_cloud
> The outer limit of the Oort cloud defines the cosmographic boundary of the Solar System
> The Oort cloud...is a theoretical cloud of predominantly icy planetesimals proposed to surround the Sun at distances ranging from 2,000 to 200,000 au (0.03 to 3.2 light-years).
- happytoexplain 5y agoThat explains it. I always forget the orders of magnitude involved between the smallest colloquial definitions of "the solar system" and the largest technical definitions. It looks like it was only in the planetary region for under a decade.