Ms. Jeffers's Activity (2)
5thgraderocks added a news bookmark.
Given that each light-year — defined as the distance light travels in one Earth year — is about 6 trillion miles (9 trillion km), a black hole that lies 1,000 light-years away m...Over 4 years ago5thgraderocks added a news bookmark.
Historians have long suspected that the Eastern Mediterranean Sea, a popular ancient shipping route, is home to numerous shipwrecks. However, seven decades of search by marine a...Over 4 years ago