If you are interested in the colors of planets, you may also want to check out the color of plants on other worlds and the planetsâ true colors. Astronomy Cast has episodes on all of the planets, so start with Mercury and listen to all of them.
No, a human couldn't live without a brain because the brain controls everything in your body, so it tells your heart to beat, feet to move, eyes to blink, mouth to open, teeth to chew. If you don't have your brain to tell your heart to beat, your heart cannot pump blood. So your body really can't live.
I'm taking this to mean that you'd die if you were missing these organs. You can live without some organs like the gall bladder, appendix, tonsils -- commonly removed without a person dying from it. And you can live without some organs by having a mechanical or artificial way to make up for them like having dialysis for missing kidney function, artificial heart, .. But the ones I'm missing don't have a substitute as far as I know. Lungs. We have no other way to exchange oxygen and carbon dioxide. Brain.