Reading Comprehension (RC) | In 1979, John A. Eddy of the High Altitude Observatory and Aram A. Bo

In 1979, John A. Eddy of the High Altitude Observatory and Aram A. Boornazian, a mathematician in Boston, concluded that the sun is contracting at a considerable rate, based on daily measurements of the sun’s image. They estimated the reduction of the sun’s horizontal diameter to be about two seconds of arc, or about 0.1 percent, per century. These findings sparked renewed debate over solar measurement and the possibility that our sun may be shrinking.
Heliologists contend that the
...

---