Starlink
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What is Starlink?
Starlink is a satellite network developed by SpaceX that provides internet service. As of 2025, it has over 7,000 active satellites, which is more than half of all active satellites in orbit, and over five million subscribers.
Starlink is a megaconstellation, or satellite Internet constellation. Customers can connect to the network using a portable rectangular dish. Starlink provides internet services to areas that are underserved by traditional providers. SpaceX also has a military version of Starlink, called Starshield, and is building military communication satellites for the U.S. government.
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Who created the Starlink satellite network?
The Starlink satellite network is developed by SpaceX, an American aerospace company. SpaceX was founded in 2002 by Elon Musk, with the goals of revolutionizing the aerospace industry and making spaceflight more affordable. The Starlink project was launched in 2015 to provide broadband internet services globally and to help fund Musk's ambition of establishing a human colony on Mars. As of 2025, the Starlink network has approximately 7,000 working satellites.
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How does Starlink provide internet access?
Starlink is a satellite network developed by SpaceX that provides internet service. The network uses thousands of satellites in low Earth orbit (LEO) to reduce the time it takes for signals to travel to and from Earth. Customers connect to the network using a portable rectangular dish. As of May 2024, Starlink has over three million subscribers and provides service to areas underserved by traditional internet providers.
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What makes the Starlink satellite system different from traditional internet services?
The Starlink satellite network differs from traditional internet services by using a megaconstellation of satellites in low Earth orbit (LEO) to provide broadband internet access. Traditional communication satellites are in geostationary orbit, which is much farther from Earth, causing slower service due to signal travel time. LEO satellites have shorter travel times, but require many satellites to maintain constant service, as they pass over a specific spot for only a few minutes. As of 2025, Starlink has over 7,105 active satellites in orbit.
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Where is Starlink available, and who can use it?
Starlink is a satellite network developed by SpaceX that delivers internet service, especially to areas lacking traditional internet infrastructure. As of 2025, Starlink has over five million subscribers and approximately 7,000 working satellites, which accounts for over half of all active satellites.
Customers can connect to Starlink's network using a portable rectangular dish. SpaceX also has a military-grade version of Starlink called Starshield and is creating a secure satellite system for the U.S. military.
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What are some challenges or criticisms faced by the Starlink network?
The Starlink network, a megaconstellation developed by SpaceX, faces several challenges and criticisms. One primary concern involves the potential for collisions and space debris due to the high volume of satellites. China informed the United Nations that its space station had to avoid Starlink satellites twice in December 2021.
In a filing with the FCC, SpaceX reported that Starlink satellites had to maneuver over 25,000 times between December 2022 and May 2023 to avoid collisions. The increase in the number of satellites has also raised concerns about satellite tracks interfering with telescope images.
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Starlink, is a satellite network developed by the American aerospace company SpaceX that provides Internet service. There are over 10,000 satellites, accounting for more than half of all active satellites, in the Starlink network. Starlink is a megaconstellation, or satellite Internet constellation, with over 12 million subscribers.
Customers connect to the network with a portable rectangular dish. Starlink provides satellite Internet services to areas underserved by traditional Internet service providers. In 2024 Starlink began testing satellites that would provide cellular service in partnership with T-Mobile. SpaceX also has a military version of Starlink, called Starshield, and is building a constellation of military communication satellites for the U.S. government.
With the spread of Internet and cell phone usage in the 1990s, plans were proposed for constellations of communication satellites in low Earth orbit (LEO) that would provide global service. Traditional communication satellites in geostationary orbit at an altitude of 35,785 km (22,236 miles) above Earth’s surface are so far from the ground that the time for signals to travel to the satellite and back down is a significant factor, making the service slow. For satellites in LEO (altitudes below 1,600 km [1,000 miles]), travel time is much shorter, but, unlike satellites in geostationary orbit that remain over the same spot, satellites in LEO pass over a specific spot for only a few minutes. To maintain constant service, many satellites are needed in one orbit so that as one is setting, another is rising. Only one communication constellation, Iridium for satellite telephony, was actually deployed in 1998. Despite the demand, the cost of building and launching many satellites made such ventures uneconomical. Only in the 2010s did the development of megaconstellations become cost effective, because of reusable rockets and the cheaper cost of producing satellites.
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SpaceX CEO Elon Musk was inspired to name Starlink by John Green’s novel The Fault in Our Stars (2012).
SpaceX had made some initial forays into satellite Internet beginning in the early 2000s. The Starlink project was publicly announced in January 2015, and a SpaceX satellite development facility was opened in Redmond, Washington. In November 2016 SpaceX filed an application with the Federal Communications Commission (FCC) for a non-geostationary orbit (NGSO) satellite system. The FCC granted the company approval for an initial launch of 4,425 satellites, on condition of approval by the International Telecommunication Union (ITU) and of SpaceX addressing NASA’s concerns about space debris. Two test satellites were launched in February 2018. The first batch of 60 operational satellites was launched in May 2019, and a beta version of Starlink was opened to the public in November 2020.
That the Starlink constellation has thousands of satellites, with tens of thousands planned, has raised concerns over collisions and space debris. In December 2021 China informed the United Nations that its Tianhe space station module twice had to maneuver to avoid Starlink satellites. SpaceX filed a report with the FCC stating that between December 2022 and May 2023, Starlink satellites had to swerve to avoid other satellites and space debris more than 25,000 times, double the number reported in the previous six-month period.
In 2022, Ukraine planned a drone attack on the Russian naval base in Sevastopol, Crimea, and asked SpaceX to enable Starlink communications with the drones, because Crimea was not covered by Starlink. Musk refused because he believed the attack would lead to an expansion of the Russia-Ukraine War. Musk was criticized for seemingly taking Russia’s side in the war.
In 2026, the Russia-Ukraine War had entered a new phase in which Ukraine was using drones to strike deep within Russia. In October, Ukraine noticed that Starshield communications with aircraft moving more than 160 km (100 miles) per hour had been disabled. Elon Musk said that he instituted the restrictions because drone attacks violated Starlink’s terms of service. The restrictions were ultimately lifted, but lawmakers from both American political parties criticized them, with some pointing out the problematic nature of Musk, a private citizen, having so much power over a national security matter.
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