Hayadan > double star
double star
- Avi Blizovsky
- September 8, 2020
- 14 תגובות
Harvard University scientists say the Sun may once have had a binary companion with a similar mass. If the theory is confirmed, the presence of an ancient companion star increases the likelihood that the Oort cloud formed as it is observed and the ninth planet was trapped rather than formed within the solar system.
- Uri Brock
- April 2, 2011
- 12 תגובות
- Avi Blizovsky
- May 23, 2010
- 2 תגובות
- Yael Petar
- April 12, 2009
- 45 תגובות