Browsing Tag
stellar parallax
2 posts
NASA’s New Horizons pilots by starlight from 5B miles away
By measuring the apparent shift of nearby stars from its vantage point billions of miles away, NASA's New Horizons spacecraft successfully demonstrated the first-ever method of interstellar navigation.
Measuring the True Scale of the Universe, Part 2
Early astronomers used planetary transits and parallax to calculate distances in the solar system and beyond—laying the foundation…