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Starlink’s Hidden Side: 5 Things Those Satellites are Really Doing

Starlink’s Hidden Side
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Starlink Is More Than Satellite Internet

Starlink Is More Than Satellite Internet

Starlink is a large low-Earth-orbit satellite network designed to deliver high-speed, low-latency internet. Unlike traditional geostationary systems, its satellites operate much closer to Earth. SpaceX says Starlink’s low orbit helps reduce latency, making applications such as video calls, streaming and online gaming more practical than with conventional satellite internet.

Satellites Can Communicate With Lasers

Satellites Can Communicate With Lasers

Starlink satellites do not rely entirely on ground stations to move data. Each satellite has three optical inter-satellite links, or space lasers, capable of operating at speeds of up to 200 Gbps. Together, these links create an orbital mesh that can move information between satellites before sending it toward Earth.

Starlink Is Moving Lower

Starlink Is Moving Lower

Starlink’s orbital architecture is changing. SpaceX says its satellites are being lowered into orbital shells, with many planned between 450 and 490 kilometres and newer direct-to-cell and broadband satellites between roughly 330 and 370 kilometres. Lower orbits can also reduce the time satellites remain in space if they lose manoeuvring capability.

Satellites Have Their Own Propulsion

Satellites Have Their Own Propulsion

Starlink spacecraft use argon-powered ion propulsion systems for orbit raising, manoeuvring and eventual deorbiting. This propulsion technology allows satellites to adjust their positions after launch and manage their orbital lifecycles. SpaceX describes Starlink as the first argon-propelled spacecraft flown in space, highlighting the network’s unusual engineering approach.

They Are Designed To Leave Orbit

They Are Designed To Leave Orbit

Starlink satellites are designed for relatively short operational lifetimes and controlled disposal. SpaceX says operational satellites are designed to serve for five years or longer, while satellites that become non-manoeuvrable at lower altitudes can naturally re-enter because atmospheric drag acts more strongly there. The company also designs satellites for demisable re-entry.

Starlink Is Transforming Space Communications

Starlink Is Transforming Space Communications

The technology is no longer limited to consumer broadband. NASA selected SpaceX’s Starlink laser communications technology for Artemis III, planning to use two Starlink-derived laser terminals on Orion to transmit high-quality imagery and video. NASA says the technology builds on more than 25,000 Starlink lasers already operating in orbit.

The Night Sky Is Part Of The Debate

The Night Sky Is Part Of The Debate

Starlink satellites can become visible from Earth, particularly soon after launch when they travel in closely spaced “trains.” Astronomers have raised concerns about satellite reflections interfering with observations. SpaceX has introduced measures intended to reduce brightness, while 2026 research found mitigation-era satellites are generally fainter than early Starlink designs.

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