Narrator: Serious scientists, like myself, believe our solar system was formed by the collapse of a giant cloud of gas and rock and is held together by the gravitational pull of the Sun.

Here's how to spot it and why it happens. The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations ...

which means that it won't be part of any rooftop solar system you might be installing right now. It's also worth noting that Maxeon announced a restructuring of its business portfolio in November ...

During the lull in that cycle, called solar minimum, the sun's surface is blank and little happens. When solar cycle activity picks up sunspots appear as black areas on the sun's surface.