The Hipparcos data give us
A) parallaxes to the nearest galaxies.
B) parallaxes as small as 0.005".
C) information on only the 6,000 brightest stars.
D) distances to about 100 billion stars, practically everything in the Milky Way Galaxy.
E) an accurate distance to the Moon.

Question

Quizplus · Accepted Answer

The Hipparcos satellite was designed to measure the parallaxes of stars with high precision, allowing for the determination of accurate distances to those stars. It achieved parallaxes as small as 0.005 arcseconds, significantly improving our understanding of stellar distances within our galaxy.

The Hipparcos Data Give Us