He then used a blink comparator to compare the different images.
2.
The Zeiss blink comparator from the Heidelberg Observatory was adapted to perform blink comparison of the plates.
3.
Ross decided to repeat the same series of images and compare the results with a blink comparator.
4.
He worked at Lowell Observatory using the blink comparator, and hired Robert Burnham Jr . to work there.
5.
He used a blink comparator, the same device that had allowed Clyde Tombaugh to discover Pluto nearly 50 years before.
6.
The Projection Blink Comparator ( PROBLICOM ), invented by amateur astronomer Ben Mayer, was a low-cost version of the professional tool.
7.
He worked at Lowell Observatory using the blink comparator alongside Robert Burnham, Jr ., author of the famous three-volume " Celestial Handbook ".
8.
This led to his being hired by Lowell Observatory in Flagstaff, Arizona, in 1958 to work on a survey of stellar proper motion using a blink comparator.
9.
The origin of van Maanen's measurement errors emerged from his stereo blink comparator, which van Maanen used to compare new plates with plates some 10 20 years old.
10.
The idea built on earlier work such as Carl Pulfrich's blink comparator used to help identify the former planet Pluto, and Hinman's work analysing aerial photographs during World War II.
मोबाइल