ID 302211104 © Infoc97 | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
universe gravitational waves black holes theory relativity einstein cosmology physics astrophysics gravity spacetime cosmic mysteries dark matter space science research event horizon schwarzschild radius galilean satellites hawking radiation penrose process interstellar exploration information paradox history