What mysteries of the universe are hidden in the first batch of "beautiful photos of the universe" released by Tianmu Tech + James Webb Space Telescope?
China builds an important domestic weapon in Dongguan, breaking the monopoly of Europe and the United States, or changing the way of scientific research in our country
On the day when my childhood sweetheart, General, died in battle, I was in the capital with phoenix crowns and rosy clouds, the sky was filled with gongs and drums, and my eyes were filled with red.