Satellite Interference Threatens Space Observations
As the number of satellites orbiting Earth grows, scientists are increasingly concerned about the impact of radio interference on astronomical research. Dutch researchers warn that Starlink satellites, owned by Elon Musk’s SpaceX, are emitting electromagnetic radiation that threatens to disrupt radio telescope observations.
Radio Telescopes Face Increased Disruption
Researchers at the Netherlands Institute for Radio Astronomy (ASTRON) used the LOFAR telescope, the world’s largest, to study radio waves from space. They discovered that Starlink’s second-generation satellites emit stronger and broader radiation than their predecessors, potentially obstructing critical observations of cosmic objects like stars and galaxies.
Starlink’s Radiation Emissions Intensify
According to ASTRON’s lead researcher Cees Bassa, the second-generation Starlink satellites are leaking 32 times more electromagnetic radiation than first-generation models, emitting signals millions of times stronger than the faintest space sources. With SpaceX launching about 40 of these satellites weekly, the issue is rapidly escalating.
Growing Satellite Networks Pose Global Challenge
In addition to Starlink, other companies like OneWeb, Telesat, and Amazon are contributing to the expansion of low-orbit satellites. While these satellites offer global internet coverage, especially in remote areas, their radio emissions add to the growing problem of space pollution. Projections estimate up to 100,000 satellites in orbit by the decade’s end.
Scientists Call for Action to Protect the Sky
Experts are calling for urgent measures to minimize satellite interference and preserve Earth’s ability to observe the universe. Federico Di Vruno from the SKA Observatory stressed that reducing unintended radiation should be a priority for companies operating in space. As the satellite population grows, the need for sustainable space policies becomes critical.
SOURCE: Ref Image from HT Tech
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