15 minutes. This occurred on May 5, 1961 when Alan Shepard achieved an altitude of 115 miles in NASA’s Freedom 7. He was also the first American in space. Shepard later went on to become the oldest person to walk on the surface of the moon. He achieved this in 1971 during the Apollo 14 mission. At the time, he was 47 years old.
Cassiopeia
Cancer
Hubble Space Telescope
Red
Ursa
Cheshire
Star
Pluto
Saturn
Magnetic field of the Earth (Magnetosphere) and Solar Wind (stream of charged particles from the Sun)
The North Star or Pole Star
As the Moon passes between the Earth and the Sun, we see the shadowed side of the Moon and when Earth is between the Moon and the Sun, it appears full to us.
Nuclear Fusion – turning Hydrogen into Helium and a lot of energy!