Inflammation: A localized reaction that produces redness, warmth, swelling, and pain as a result of infection, irritation, or injury.Inflammation can be external or internal.nflammation: A localized reaction that produces redness, warmth, swelling, and pain as a result of infection, irritation, or injury. Inflammation can be external or internal.
The galaxy MACS0647-JD (inset) appears very young and is only a fraction of the size of our own Milky Way. The galaxy is about 13.3 billion light-years from Earth, the farthest galaxy yet known, and formed 420 million years after the Big Bang. Image taken by Hubble Space Telescope on Nov. 29, 2011, and released Nov. 15, 2012. Credit: NASA, ESA, and M. Postman and D. Coe (STScI) and CLASH Team View full size image.
Messier 31 (NGC 224) is better known as the Andromeda Galaxy. It is a spiral galaxy approximately 2.5 million light years distant. In the past, it was also referred to as the Great Andromeda Nebula. Andromeda Galaxy is the closest spiral galaxy to the Milky Way, and also the farthest object in the night sky visible to the naked eye.