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).
Heart-related causes. Examples of heart-related causes of chest pain include: 1  Heart attack. 2  A heart attack is a result of a blood clot that's blocking blood flow to your heart muscle. 3  Angina. 4  Thick plaques can gradually build up on the inner walls of the arteries that carry blood to your heart.