Like many astrophysicists, Sara
Seager sometimes has a problem with her perception of scale.
Knowing that there are hundreds of billions of galaxies, and that
each might contain hundreds of billions of stars, can make the
lives of astrophysicists...
For 80 years, scientists have puzzled over the way galaxies and
other cosmic structures appear to gravitate toward something they
cannot see. This hypothetical “dark matter” seems to outweigh all
visible matter by a startling ratio of five to one...
Neta Bahcall, Member
(1982–83) in the School of Natural Sciences, discusses the
forty-year effort of John
Bahcall, Richard Black Professor in the School from 1971 until
his death in 2005, to predict the rate of neutrinos from the Sun.
Watch the talk...
In Black Hole Blues: And Other Songs From Outer Space
the astrophysicist and novelist Janna Levin chronicles the
decades-long development of a machine that could detect
gravitational waves—a quest marked by the highest degree of human
intelligence...
