The Universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. While the spatial size of the entire Universe is unknown, it is possible to measure the size of the observable universe, which is currently estimated to be 93 billion light years in diameter.
The spectacle before us was indeed sublime
Welcome, it’s great to have you here. We know that first impressions are important, so we’ve populated your new site with some initial getting started posts that […]