Uploaded December 2023 | Updated September 2026, 2 weeks ago
How old is a star? It turns out that’s one of the most difficult—and essential—questions for scientists to answer in order to understand the evolution of the Milky Way Galaxy.
Astrophysicist and Museum Curator Ruth Angus guides you through the innovative methods used to estimate the ages of stars. Discover how rotation rates, sunspots, and brightness measurements help scientists piece together the cosmic puzzle of our universe.
#Astrophysics #Stars #Planets #StellarAges #MilkyWay #Galaxy
Explore more science questions with AMNH curators in our “Meet the Scientists” playlist: youtube.com/playlist?list=PLrfcruGtplwF-NyC34X2zVb3jQiLZFsXe
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This video and all media incorporated herein (including text, images, and audio) are the property of the American Museum of Natural History or its licensors, all rights reserved. The Museum has made this video available for your personal, educational use. You may not use this video, or any part of it, for commercial purposes, nor may you reproduce, distribute, publish, prepare derivative works from, or publicly display it without the prior written consent of the Museum.
© American Museum of Natural History, New York, NY
How old is a star? It turns out that’s one of the most difficult—and essential—questions for scientists to answer in order to understand the evolution of the Milky Way Galaxy.
Astrophysicist and Museum Curator Ruth Angus guides you through the innovative methods used to estimate the ages of stars. Discover how rotation rates, sunspots, and brightness measurements help scientists piece together the cosmic puzzle of our universe.
#Astrophysics #Stars #Planets #StellarAges #MilkyWay #Galaxy
Explore more science questions with AMNH curators in our “Meet the Scientists” playlist: youtube.com/playlist?list=PLrfcruGtplwF-NyC34X2zVb3jQiLZFsXe
***
Subscribe to our channel:
youtube.com/subscription_center?add_user=AMNHOrg
Check out our full video catalog:
youtube.com/user/AMNHorg
This video and all media incorporated herein (including text, images, and audio) are the property of the American Museum of Natural History or its licensors, all rights reserved. The Museum has made this video available for your personal, educational use. You may not use this video, or any part of it, for commercial purposes, nor may you reproduce, distribute, publish, prepare derivative works from, or publicly display it without the prior written consent of the Museum.
© American Museum of Natural History, New York, NY
