boomer, the sun is going to get
fatter, but it's also going to get brighter. The
long-term outlook for the sun's earthbound cli-
ents is not good. Astrophysicist I.-Juliana
Sackmann of the California Institute of Technol-
ogy and two colleagues recently tried to chart
the sun's fate, reports Science News writer
Cowen. During the next 1.1 billion years or so,
its brightness will increase 10 percent. Accord-
ing to a model proposed six years ago James
F. Kasting of Pennsylvania State University,...