How old is the Universe?

The Universe is all of space and time and its contents. These include planets, moons, minor planets, stars, galaxies, the contents of intergalactic space and all matter and energy. The Universe encompasses all of life and all of history. But just how old is the universe? According to the latest research, the universe is approximately […]

The Pinwheel Galaxy

The Pinwheel Galaxy is in the constellation of Ursa Major and is nearly double the size of our Milky Way with a diameter of about 170,000 light years. The Galaxy sits at a distance of 21 million light years from Earth and is roughly 10 times as far from us as the Andromeda Galaxy. The […]

Space Advertisements were almost a thing

In 1993, the American company Space Marketing Inc. proposed to build a giant illuminated advertising billboard in outer space. The plan was for the billboard to be launched into low orbit and be visible from Earth. The billboard’s advertising space would have been a half-mile by quarter-mile sheet of Mylar that can be rolled and packed tightly. […]