Astronomy 101

In 2005 an object larger than Pluto was discovered in the Kuiper Belt. This discovery would call Pluto's planetary status into question and help create a new term, Dwarf Planet.

A collection of cool facts about the Sun and all the planets in our solar system (sorry Pluto). The Sun makes up 99.86% of the

Neutron stars, or cores leftover from exploded stars, are some of the densest objects in the universe. There are several types of neutron stars, shown in this illustration, including magnetars and pulsars.

(Phys.org) —The universe may have existed forever, according to a new model that applies quantum correction terms to complement Einstein's theory of general relativity. The model may also account for dark matter and dark energy, resolving multiple problems at once.

What is the difference between Astronomy and Astrology? Astronomy is a branch of natural science whereas astrology is considered a pseudoscience.

A black hole is an extremely dense object from which no light can escape. Anything that comes within a black hole’s “event horizon,” its point of no return, will be consumed, never to re-emerge, because of the black hole’s unimaginably strong gravity. By its very nature, a black hole cannot be seen, but the hot disk of material that encircles it shines bright. Against a bright backdrop, such as this disk, a black hole appears to cast a shadow. T