Dark energy (Astronomy) (Topical Term)

Work cat.: 2001020463: Source and detection of dark matter and dark energy in the universe, c2001.

Am. Phys. Soc. WWW site, Feb. 15, 2001: Physical review focus (dark energy: an energy that causes space to expand, possibly related to short-lived virtual particles that fill all of space; it appears to figure into the idea of a cosmological constant, an isotropic repulsive term proposed, then abandoned, by Einstein in equations for his theory of gravity)