Appendix cancer occurs when healthy cells in the appendix change and grow out of control. These cells form a growth of tissue, called a tumor. A tumor can be cancerous or benign. A cancerous tumor is malignant, meaning it can grow and spread to other parts of the body. Another name for this type of cancer is appendiceal cancer.
Russian astronaut breaks record for longest time spent in space. By Nicola Harley. 12:52PM BST 12 Sep 2015. Comments. An astronaut has broken the record for the longest amount of time spent in space becoming the world's most experienced space flier. Russian cosmonaut Gennady Padalka, 57, has spent a record 879 days in space throughout his career as he return from his latest mission from the International Space Station.
But every crew that resides on the International Space Station provides us information that we use to adjust our protocols and that extends that period of time. The longest contiguous amount of time a human has spent in space is 437 days. That was done by Valeri Polyakov, almost twenty years ago. That was his second flight. His first was 240 days long. Sergei Krikalev, over six flights, has spent 803 days in space. Space is a harsh environment for humans.