"It doesn't present any danger to anyone, though it does highlight a certain carelessness about how leftover space hardware is disposed of."

The big SpaceX mega IPO is getting closer, and with a $1.75 trillion expected valuation (plus or minus a couple hundred billion or so), there’s sure to be a flood of investors who will need to sell something in order to load up on opening day.

Of the roughly 7,300 active satellites in Earth orbit, about 3,600 are part of SpaceX’s growing fleet of Starlink internet satellites.

A SpaceX Falcon 9 rocket launched 25 Starlink internet satellites to orbit from California on April 26. It was the company's 50th liftoff of the year already.

Elon Musk's SpaceX wants to go public after decades as a successful, private company. Insiders will get a big payday, but retail investors could face several important risk factors. Initial public offerings (IPOs) are some of the most exciting events in financial markets because they give regular investors the ability to buy into businesses that were previously out of reach.