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Astronomers Express Concern Over Satellite That Outshines All but Seven Stars

By: April Carson

The vast, starry canvas of the night sky has always been a source of fascination for astronomers, serving as a window to the cosmos. But in recent years, a new celestial entity has captured the attention of astronomers and stargazers alike – a satellite that outshines nearly everything in its path. Known as BlueWalker 3, this satellite is no ordinary spacecraft; it's a prototype for a proposed space-based mobile phone network that has raised concerns within the scientific community due to its blinding brightness.

The Birth of BlueWalker 3

In 2022, AST SpaceMobile, a Texas-based company, embarked on an ambitious mission to test the feasibility of a mobile phone network orchestrated from space. Their brainchild, BlueWalker 3, was sent into orbit with a unique feature that would later become the cause of concern for astronomers worldwide – a 64-square-meter reflective antenna.

The Brightest Kid on the Block

Early observations of BlueWalker 3 in orbit hinted at its exceptional brightness. Astronomers noted that this satellite was not just bright; it was brighter than most stars in the night sky, except for a select few. To put this into perspective, BlueWalker 3 had the luminosity comparable to the brightest stars in the constellations Canis Minor and Eridanus, leaving it outshined by just seven stars.

Astronomers' Concerns

Siegfried Eggl, a prominent astronomer at the International Astronomical Union in France, and his colleagues were among the first to scrutinize BlueWalker 3's luminosity. Their findings only deepened the concern within the astronomical community. BlueWalker 3, it turns out, was even brighter than previously thought.

Astronomers' Response

In response to the satellite's luminosity, astronomers are exploring various strategies to mitigate its impact. This includes advocating for satellite operators to adopt technologies that reduce reflectivity and promote responsible practices in space.

Additionally, international collaborations and dialogues are being initiated to address this issue collectively, as it affects observatories around the world.

The dazzling presence of BlueWalker 3 and similar satellites in our night skies raises important questions about the future of astronomy and our ability to explore the cosmos effectively. While space-based mobile phone networks hold promise for global connectivity, it is essential that the interests of both astronomers and satellite operators are considered to ensure that the wonders of the universe remain accessible to all.

As we navigate the delicate balance between advancing technology and preserving our view of the cosmos, the story of BlueWalker 3 serves as a stark reminder of the importance of responsible space exploration and a testament to the enduring curiosity of the astronomical community.

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April Carson is the daughter of Billy Carson. She received her bachelor's degree in Social Sciences from Jacksonville University, where she was also on the Women's Basketball team. She now has a successful clothing company that specializes in organic baby clothes and other items. Take a look at their most popular fall fashions on

To read more of April's blogs, check out her website! She publishes new blogs on a daily basis, including the most helpful mommy advice and baby care tips! Follow on IG @bossbabymav


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