1.   Astronomers estimated the size of the black hole from measurements of X-rays, which shoot out as matter falls into the abyss.

2.   After using a hand-held scale to estimate its size, Hall took the enormous bass to a local store and had it weighed on certified scales.

3.   Cohen declined to estimate the size of the reduction.

4.   From patterns in the DNA data, biologists can often estimate the sizes of ancient populations and even the approximate dates when one group of people split from another.

5.   He said Gemex will pay cash for Agral if the deal goes through, but declined to estimate the size of the purchase.

6.   His work there helped to improve methods for estimating the size of undercounted communities, particularly blacks.

7.   It did not estimate the size.

8.   It is traditional for weather observers to use comparisons with common objects, chiefly coins and balls, to quickly estimate the size of hailstones.

9.   Knowing the mass, scientists can estimate the size, Hartkopf said.

10.   Lange was asked whether he could estimate the size of the hands in those gloves.