TNOs: could some have formed elsewhere? |
TNOs: could some have formed elsewhere? |
Mar 28 2006, 05:35 PM
Post
#1
|
|
Administrator Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 |
I got a question today for Planetary Radio Q&A that I couldn't answer, being pretty ignorant about solar system formation research. Can anybody help?
QUOTE We know from the metal composition of our solar system that the Sun is at least a second or third generation star. It made me wonder if it was possible that some of the comets or other KBOs that we witness might be from the Sun's predecessor star or stars. If not, could such bodies exist a bit further out? I should think it would be fantastic to be able to investigate such objects. --Emily -------------------- My website - My Patreon - @elakdawalla on Twitter - Please support unmannedspaceflight.com by donating here.
|
|
|
Guest_Richard Trigaux_* |
May 18 2006, 10:50 AM
Post
#2
|
Guests |
Eventually Sedna is the best candidate for a body formed from another accretion disk, having different isotopes ratio and even formed from another supernova.
It is also an evidence that our solar system never had any deep encounter with another one since. The only alternative explanation would be that Sedna resulted from such an interaction, eventually more recently than the sun formation. |
|
|
Lo-Fi Version | Time is now: 3rd June 2024 - 01:36 PM |
RULES AND GUIDELINES Please read the Forum Rules and Guidelines before posting. IMAGE COPYRIGHT |
OPINIONS AND MODERATION Opinions expressed on UnmannedSpaceflight.com are those of the individual posters and do not necessarily reflect the opinions of UnmannedSpaceflight.com or The Planetary Society. The all-volunteer UnmannedSpaceflight.com moderation team is wholly independent of The Planetary Society. The Planetary Society has no influence over decisions made by the UnmannedSpaceflight.com moderators. |
SUPPORT THE FORUM Unmannedspaceflight.com is funded by the Planetary Society. Please consider supporting our work and many other projects by donating to the Society or becoming a member. |