On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...
To date, the formation of cosmic structures and the nature of dark energy and dark matter, two essential components of the ...
In this awe-inspiring visual journey, the entire 13.8 billion-year history of the universe is condensed into just 10 minutes—each second representing 22 million years. Starting from the Big Bang and ...
How old are the stars? Even with the most accurate tools currently available for modeling stellar evolution, the answer ...