Exercises to Avoid. While most exercises are safe during early pregnancy, you should avoid certain activities all together. Avoid contact sports such as rugby, tackle football or wrestling during pregnancy. Additionally, stay away from activities with a high fall risk such as downhill skiing and skating.
Fred Hoyle (and others) proposed a Steady State Theory (indeed, it was good ol' Fred who is credited with creating the term 'Big Bang' - ironically, he meant it disparagingly); it pretty much disappeared once serious study of the cosmic (background) (microwave) (radiation) - CMBR, or CMB, or ... - got under way.
Galileo Galilei is credited with discovering the first four moons of Jupiter. Credit: NASA Italian astronomer Galileo Galilei provided a number of scientific insights that laid the foundation for future scientists. His investigation of the laws of motion and improvements on the telescope helped further the understanding of the world and universe around him.