Gemini Observatory/NSF/AURA/J. Lomberg
EF Eridanus 200 Million Years Ago
About 200 million years ago the donor object (right) has lost a significant amount of mass to its small dense companion (left) and has begun cooling significantly.
Gemini Observatory/NSF/AURA/J. Lomberg
About 200 million years ago the donor object (right) has lost a significant amount of mass to its small dense companion (left) and has begun cooling significantly.
