Introduction:

A prototype satellite, known as BlueWalker 3, has become one of the brightest objects in the night sky, creating concerns amongst stargazers. According to a recent study, the satellite outshines nearly all visible stars, raising alarm among astronomers. The satellite is a precursor to a range of planned commercial satellites called BlueBirds, which aim to improve satellite connectivity around the world. However, the brightness of BlueWalker 3 is threatening the science of astronomy and radio astronomy, according to a newly published study.

Brighter than Stars:

BlueWalker 3, with a size of 693 square feet, exceeds the brightness of stars visible in a dark sky. It was launched in September last year and functions as a giant mirror, reflecting sunlight towards Earth. AST SpaceMobile, the company behind the prototype, plans to deploy a constellation of around 90 similar satellites in the near future. However, a study led by the International Astronomical Union (IAU) warns that the excessive brightness could have a lasting impact on the appearance of the night sky.

Concerns for Astronomy:

The IAU, founded in 1919 to protect the scientific integrity of astronomy, expressed worry over the satellite's brightness. The study revealed that BlueWalker 3 is over 400 times brighter than recommended by the IAU. Astronomers fear that if a large number of similar satellites are launched in the next decade, the appearance of the night sky could change permanently. The astronomy community is concerned about the potential impact on research and observations.

Magnitude Scale:

In order to understand the brightness of BlueWalker 3, researchers used the magnitude scale, which measures the brightness of celestial objects. BlueWalker 3 has a magnitude of +0.4, which means it would be one of the ten brightest stars in the sky if it were considered a star. To put it into perspective, the North Star has a magnitude of +2, which is the limit of visibility with the naked eye from a city.

Outcry and Calls for Action:

Both stargazers and astronomers have voiced their concerns about the satellite's impact on astronomy. Siegfried Eggl, co-author of the study, believes the satellite was launched without considering its negative effect on the field. The IAU CPS, which conducted the study, aims to collaborate with the space industry to find solutions. A number of individuals also took to social media to express their outrage, calling on astronomers to speak out against the satellite and corporations' influence on the night sky.

Working towards Solutions:

AST SpaceMobile, the company responsible for BlueWalker 3, has stated that they are working with NASA and astronomy groups to address the concerns raised. While some feel that the benefits of satellite connectivity outweigh the drawbacks, others stress the need to consider the impact on astronomy. The satellite's connection capabilities are welcomed by many, but the growing issue of light pollution caused by such satellites remains a concern.