What is the name given to the extremely bright and energetic objects in space, powered by supermassive black holes?

Roughly how many years from now is our Milky Way galaxy expected to collide with the Andromeda galaxy?

Believe it or not, a common fruit emits a tiny amount of antimatter. Which fruit is known to produce positrons, a type of antimatter?

Due to its strong gravitational pull, which planet is often called a 'Cosmic Vacuum Cleaner' because it attracts many comets and asteroids?

The Big Bang theory, initially controversial, was developed by a person from which profession?

What surprising source contributes to about 1% of the static on an untuned analog TV screen?

In 2007, researchers discovered a massive 'hole' in the universe, billions of light-years across and almost completely empty of galaxies. What astronomical term is used to describe such a vast, empty region of space?

What whimsical term do scientists use to describe what happens to an object as it gets stretched and torn apart when falling into a black hole due to extreme gravitational forces?

Astronauts in space sometimes report seeing random flashes of light. What is the primary cause of these flashes?

According to scientific understanding, during which cosmic event are heavier elements like gold and silver primarily formed?