Vasco Da Gama

Vasco Da Gama Vasco Da Gama was born in Sines, Portugal in 1469. Estĕvão Da Gama, Da Gama’s father, was put to the task of finding...

Christopher Columbus

Christopher Columbus (1451- 1506) was a Genoese navigator and explorer. In the late fifteenth century, Columbus believed that it...

Moon

After the sun spun to light, the planets of the solar system began to form. But it took another hundred million years for Earth's moo...

Helium-3

Helium-3  (He-3) is a light, non- radioactive   isotope  of  helium  with two  protons  and one  neutron . It is rare on Earth, and it ...