Numerous clinical trials have been done on Krill Oil and have concluded that not only is it safe, but it contains essential nutrients that your body needs. The main nutrient is called Omega-3, a fatty acid that your body can not produce on its own and must be ingested through the food we eat.
The atmosphere protects us from this space junk that would do damage to us, to our homes, and to the earth itself. It is because of the heat created by the friction of the atmosphere that the space shuttle had to be equipped with a heat shield to prevent it from burning up as it re-entered the Earth's atmosphere.
Temperature on Earth. Earth is the most unique planet in the Solar System because it is the only one that can support life as we know it. Its dense atmosphere serves to protect life on Earth by filtering harmful ultra-violet rays from hitting the surface and vaporizing most meteors before they can strike.