General Astronomy History of the universe timelineAnestis TziamtzisApril 30, 2020 Four days ago on the 26th of April, it was the 100th anniversary of the Great Debate, which is also known as the Shapley-Curtis Debate. The debate was held at...Read More Spread the love
History of the universe timelineAnestis TziamtzisApril 30, 2020 Four days ago on the 26th of April, it was the 100th anniversary of the Great Debate, which is also known as the Shapley-Curtis Debate. The debate was held at...Read More