What is the only planet that revolves around the sun in a clockwise direction? What is the nearest extrasolar planet to Earth? What planet is Neptune from the sun? What planetary system is Earth in? What are pulsar planets? Which planet is closest to Mars?
While the dense, compact inner regions of today’smost massive ellipticalshave already formed around 600 million years after the Big Bang, given that theUniverse looks roughly the same in any direction,if we stood on the other side of the Universe looking back at the Milky Way and its smalle...
There is a defined coordinate system called Galactic Coordinates, but be careful. It is centred on the Sun, and has nothing to say about how far away something is. A bit like the lighthouse coordinates, with the lighthouse shifted to the Sun (and no distance). It’s not a bad starting...