Publication Date:
2015-02-04
Description:
Astronomers Walter Baade and Fritz Zwicky were haunted by two celestial apparitions. It was the early 1930s, and the star-like specters had appeared—and disappeared—from the skies well before either astronomer had been born. But the brief, bright phenomena had transfixed onlookers. Veteran observer Tycho Brahe, for example, was moved to...
Keywords:
Core Concepts
Print ISSN:
0027-8424
Electronic ISSN:
1091-6490
Topics:
Biology
,
Medicine
,
Natural Sciences in General
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