Back to Article List From the March 2009 issue What is a parsec? Why do scientists use this unit instead of light-years? Robert Garver, Sanford, Florida By Astronomy Staff | Published: March 23, 2009 | Last updated on May 18, 2023 The parsec is a unit for measuring vast astronomical distances based on the parallax effect.
Science Artemis 2 crew lands at Starmus VII — 15 years after Armstrong, Aldrin, and Leonov launched its lengacy
Science STARMUS Festival cofounders Sir Brian May and Garik Israelian presented Sir Ridley Scott with the 2026 Stephen Hawking Medal for Science Communication
