He chased eclipses for five decades, wrote several books about them and worked with NASA to make data accessible to nonscientist sky gazers.
Source: Original News
Fred Espenak, Astrophysicist Known as Mr. Eclipse, Dies at 73
He chased eclipses for five decades, wrote several books about them and worked with NASA to make data accessible to nonscientist sky gazers.
Source: Original News
