The Closest Star to Earth

Proxima Centauri: The Closest Star to Earth

Proxima Centauri, located at a distance of approximately 4.3 light-years from Earth, holds the title of being the closest star to our planet, excluding the Sun. This red dwarf star is part of the Alpha Centauri star system and is situated in the constellation of Centaurus.

When compared to other stars mentioned in the question such as Rigel and Betelgeuse, which are part of the Orion constellation, Proxima Centauri stands out due to its proximity to Earth. Even though Rigel and Betelgeuse are easily recognizable in the night sky because of their brightness, they are significantly farther from us than Proxima Centauri.

Despite being the closest star, Proxima Centauri has a low luminosity, making it nearly impossible to be seen with the naked eye. Observing Proxima Centauri requires the use of a telescope, highlighting the vastness of space and the diversity of celestial bodies within our universe.