NASA has released an image taken by the Hubble space telescope of a cluster of stars known as NGC-121, in one of our neighboring galaxies. ESA/Hubble/NASA. Saturn's largest and second largest moons, Titan and Rhea, appear to be stacked on top of each other in this true-color scene from NASA's Cassini spacecraft.
An enlarged left ventricle of the heart can be the result of heart muscle disease caused by medication, drugs, alcohol, idiopathic (cause unknown).
Examples of heart-related causes of chest pain include: 1  Heart attack. A heart attack is a result of a blood clot that's blocking blood flow to your heart muscle.  Angina. Thick plaques can gradually build up on the inner walls of the arteries that carry blood to your heart.