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https://www.space.com/space-exploration/satellites/tragedy-of-the-commons-in-space-we-need-to-act-now-to-prevent-an-orbital-debris-crisis-scientists-say

Earth orbit is getting more and more crowded, with both active satellites and pieces of debris. There's so much stuff up there that it's far from alarmist to start worrying about the Kessler syndrome, a nightmare scenario in which a collision or two leads to many more, vastly increasing the amount of junk circling our planet.

“We have to get serious about this and recognize that, unless we do something, we are in imminent danger of making a whole part of our Earth environment unusable."

Most of those LEO satellites — about 6,800 of them — belong to a single constellation: SpaceX's Starlink broadband network. The vast majority of these warnings involve Starlink satellites, which are far from sitting ducks. These spacecraft use onboard software to spot possibly worrisome encounters and perform evasive maneuvers if needed which other satellites cannot.

These numbers are growing all the time, and the tally could soon get mind-bogglingly high. SpaceX, for example, wants the Starlink network to eventually harbor more than 40,000 spacecraft.

Other players aim to build their own broadband constellations in LEO as well. China has begun building out its Qianfan ("Thousand Sails") megaconstellation, which will feature about 14,000 satellites if all goes according to plan. In addition, Amazon intends to assemble its own 3,200-satellite LEO broadband network, called Project Kuiper.

These satellites are having more and more close encounters with each other and with pieces of debris. Indeed, there are about 1,000 collision warnings per day on average in LEO. Earth orbit is getting more and more crowded, with both active satellites and pieces of debris. There's so much stuff up there that it's far from alarmist to start worrying about the Kessler syndrome, a nightmare scenario in which a collision or two leads to many more.

After 3 consecutive championship titles, the U. S. failed last night to advance to the CONCACAF Nation's League final, igniting criticsm from fans online about whether Poccitino is fit for the job.

Some factors boil down to players from European clubs being jet lagged as well as the schedule change, as the final is usually held during the summer, as well as the US team having too long of a break in between games.

But Poccitino's starting line up, substitutions and strategy is also questionable, especially after he went back on his promise of not starting players who get little to no field time in club matches.

The U. S. had bad luck throughout the last decade with coaching and failing to reach major finals and once even failing to qualify for the World Cup.

And with the Gold Cup coming up this year and the World Cup coming up next year, should the U. S. not take any chances and just replace him now, or should they wait to see how we do in the Gold Cup?

The U. S. has historically had the best results with American coaches