Multiple choice general knowledge science & technology

Telescope was used for the first time in measurement of small angles by

  1. edward hubble

  2. jean piccard

  3. giovanni cassini

  4. galileo galili
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Jean Picard was a French astronomer who in 1669 used a telescope with micrometer eyepiece to measure small angular separations between celestial objects with unprecedented precision. His methods significantly improved astronomical measurements of planetary positions and diameters.

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