#MilkyWay #Astrophysics #SolarSystem
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A mass stellar migration billions of years ago may have helped life get started on Earth
The discovery that the sun and many solar twins are of similar ages and distances from the galactic core suggests a mass migration of stars occurred outward from the center of the Milky Way, potentially impacting the habitability of the solar system.
#Astronomy #Cosmology #MilkyWay
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200,000 ancient Milky Way stars reveal the Universe may be 13.6 billion years old
By focusing on the ages of the oldest stars in the Milky Way, researchers utilized precise stellar data to provide a robust lower limit on the age of the Universe, highlighting the potential for future data releases from the Gaia mission to further refine measurements.
#Pulsar #MilkyWay #Astrophysics
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Radio signal discovered at the center of our galaxy could put Einstein's relativity to the test
The discovery was made through the Breakthrough Listen Galactic Center Survey, a program that aims to find signals of civilizations beyond Earth, and further research is needed to confirm if the signal is indeed a pulsar.
