Space junk

• Musk vows to put data centers in space and run them on solar power but experts have their doubts - Elon Musk vowed this week to upend another industry just as he did with cars and rockets — and once again he's taking on long odds. The world's richest man said he wants to put as many as a million satellites into orbit to form vast, solar
• Study shows how earthquake monitors can track space junk through sonic booms - As more and more space junk comes crashing down, a new study shows how earthquake monitors can better track incoming objects by tuning into their sonic booms. Scientists reported Thursday that seismic readings from sonic booms that were ge