Hot Jupiters are giant planets initially known to orbit alone close to their star. During their migration towards their star, these planets were thought to accrete or eject any other planets present.
Hot Jupiters are believed to orbit alone close to their star, accreting any other planets. This observation was more convincing because there was a theory supporting it. The theory states that when ...
More objects are being launched into space than ever, and most are headed for low Earth orbit. This region of space has become increasingly crowded with launches from SpaceX and others that have ...
So much junk is filling Earth's orbit that collision avoidance has become a busy business. "We're talking about the dead satellites, the rocket bodies, the fairings, the wrenches, the gloves ...