Galileo significantly advanced our understanding of physics and astronomy. His telescopic observations revealed features of the moon, sun, and stars, challenging existing beliefs. He improved the ...

The Sun is mostly hydrogen and helium. Its core temperature is 27 million degrees Fahrenheit. The Sun is about 4.6 billion years old. It's a G-type main-sequence star. Key takeaways sponsored by The ...

On that note, here are five interesting facts about the northern lights. Auroras occur when solar particles collide with the Earth's atmosphere. The colour variety comes from different gas particles ...