This may permit a variety of extragalactic objects to be observed at ∼50 Å. Some implications of this situation are discussed here. Nature - Extragalactic Soft X-ray Astronomy ...

Theoretical physicist Abraham Loeb, chair of the Harvard astronomy department, studies a broad range of topics in astrophysics and cosmology, from the first stars and galaxies to the future of ...

The Center for Astrophysics and Space Astronomy (CASA) is dedicated to advancing our understanding of the Universe in which we live through observations, theory, and the development of ground-based ...