Spleen Pain Causes 1  : Swelling of spleen is called splenomegaly. It can be caused by liver diseases, infections and blood related problems and also irregularity in the lymph system.  Certain infections like mononucleosis (caused by virus), toxoplasmosis (caused by parasite) and endocarditis (caused by bacteria) may cause pain in the spleen.
The mean atmospheric temperature on Neptune is as low as â218 Â°C (55.1 K) at the cloud tops and about -200 Â°C (72 K) at the pressure level equal to 1 Earth atmosphere. The lowest observed temperature within the atmosphere is about -221Â°C (51.8 K). Probably something like -210 degrees celcius but no one knows the exact temperature.
Astronomers say the Boomerang Nebula is the coldest known object in the universe. Theyâve learned that its temperature is one degree Kelvin (minus 458 degrees Fahrenheit). Thatâs even colder than the faint afterglow of the Big Bang, which is the natural background temperature of space: colder than space itself.