The Milky Way formed at the dawn of the universe, with the first stars being short-lived and massive. The galaxy has a supermassive black hole at its center and is surrounded by a halo of old stars. In the future, it will collide with the Andromeda Galaxy. Our Milky Way is believed to be one […]
The Sun is not the largest thing in the Milky Way galaxy. Betelgeuse, a red giant star, is 700 times larger and 14,000 times more luminous. As stars age, they get bigger, and the Sun will eventually become a red giant and could encompass the orbits of some planets. The Sun is the largest object […]