В Финляндии предупредили об опасном шаге ЕС против России09:28
One reason for routinely launching GPS satellites is simply "constellation replenishment," said Col. Andrew Menschner, deputy commander of the Space Force's Space Systems Command. Old satellites degrade and die, and new ones need to go up and replace them. At least 24 GPS satellites are needed for global coverage, and having additional satellites in the fleet can improve navigation precision. Today, there are 31 GPS satellites in operational service, flying more than 12,000 miles (20,000 kilometers) above the Earth.
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从实际出发，前提是要深入了解实际情况。
North Sea oil and gas facilities can be re-used for carbon storage
Only 4% primary, but 31 alt picks. Known but not chosen