Approximately how many stars are estimated to be in the Milky Way Galaxy?

The estimate of approximately 200 billion stars in the Milky Way Galaxy is widely supported by astronomical research and observations. Scientists have utilized various methods to reach this figure, including star counting in sample areas of the galaxy, modeling the distribution of stars, and using techniques like the luminosity function, which assesses the brightness and number of stars in a specified volume of space. This number reflects the immense size and complexity of our galaxy, which contains not only a vast number of stars but also stellar remnants, nebulae, and various celestial phenomena.

Other estimates, such as 100 billion, 300 billion, or 400 billion, either do not align with current observational data or lack the consensus found around the 200 billion mark. While the galaxy's exact star count can be challenging to determine due to factors like the presence of dim stars and dust obscuring vision, the figure of 200 billion represents a range that encapsulates the extensive research available, making it a reliable estimate for the star population in the Milky Way.