3 ms·
The simple answer is that there are actually very large numbers of objects in the space between stars that aren't detectable. Including, certainly, planet-sized
by perihelions 3y ago
The simple answer is that there are actually very large numbers of objects in the space between stars that aren't detectable. Including, certainly, planet-sized objects that formed in stellar environments, escaped, and now fly freely in between.
https://en.wikipedia.org/wiki/Rogue_planet https://en.wikipedia.org/wiki/Rogue_planet
- Gooblebrai 3y agoThe so called Rogue Planets. There's a nice video from Kurzgesagt on the topic: https://youtu.be/M7CkdB5z9PY?si=0BwFwotoHi8PxL1f https://youtu.be/M7CkdB5z9PY?si=0BwFwotoHi8PxL1f
- mannykannot 3y agoIndeed - and the Oort cloud itself extends to about 1.5 light-years, which is a substantial fraction of the ~ 4 light-year distance to our nearest neighboring stars.
- ithkuil 3y agoThat's even more so substantial if the nearest neighboring star also has a comparable oort cloud. In that case a mere 1ly of interstellar space would separate the two systems
- ngcc_hk 3y agoIf there is so many of these materials not necessarily planet, can we have this partially dark matter?