The Andromeda Galaxy is significant as the nearest spiral galaxy to the Milky Way. It is on a collision course with our galaxy and is crucial for understanding galactic evolution and interactions.
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Dwarf planets are celestial bodies that orbit the Sun and have sufficient mass to be nearly round but have not cleared their orbits of other debris. They are smaller than the major planets.
Planets are celestial bodies that orbit stars and do not emit their own light, while stars generate light and heat through nuclear fusion. Planets reflect light from stars, whereas stars produce light internally.
The northern and southern lights, or auroras, are caused by charged particles from the Sun interacting with Earth’s magnetic field. These particles collide with atmospheric gases, producing colorful light displays in polar regions.
The Hubble Space Telescope is crucial for observing distant galaxies, stars, and other celestial objects. It provides high-resolution images and data that have greatly expanded our understanding of the universe.