Cosmology and astronomy: Quasar correction
Description
Quasar Correction
Cosmology and astronomy
It's a great, big universe out there. In this section of Khan Academy, you'll learn about the brain-bending vastness of time and space. We go from plate tectonics here on Earth to entire galaxies and beyond.
Quasars and galactive collisions
Quasars are the brightest objects in the universe. The gamma rays from them could sterilize a solar system (i.e. obliterate life). What do we think these objects are? Why don't we see any close by (which we should be thankful for)? Could they tell us what our own galaxy may have been like 1 billion or so years ago?
Topic: Science
Learn about all the sciences, from physics, chemistry and biology, to cosmology and a…
Frequently asked questions
There are no frequently asked questions yet. If you have any more questions or need help, contact our customer service.
Quasar Correction
Cosmology and astronomy
It's a great, big universe out there. In this section of Khan Academy, you'll learn about the brain-bending vastness of time and space. We go from plate tectonics here on Earth to entire galaxies and beyond.
Quasars and galactive collisions
Quasars are the brightest objects in the universe. The gamma rays from them could sterilize a solar system (i.e. obliterate life). What do we think these objects are? Why don't we see any close by (which we should be thankful for)? Could they tell us what our own galaxy may have been like 1 billion or so years ago?
Topic: Science
Learn about all the sciences, from physics, chemistry and biology, to cosmology and astronomy, across hundreds of videos, articles and practice questions.
Share your review
Do you have experience with this video? Submit your review and help other people make the right choice. As a thank you for your effort we will donate $1.- to Stichting Edukans.There are no frequently asked questions yet. If you have any more questions or need help, contact our customer service.