Simplify the following text for a Grade 7 native English-speaking person.
Original: Linus was discovered on August 29 , 2001 by Jean-Luc Margot and Michael E. Brown , while another team led by William Merline also independently detected the moon 3 days later .
Simplified: Linus was found on August 29 , 2001 by Jean-Luc Margot and Michael E. Brown , while another team also independently detected the moon 3 days later .