The first launch of the Atlas V rocket occurred in August 2002. The Atlas V, built by Lockheed Martin, was the first rocket in the Evolved Expendable Launch Vehicle program of the US Air Force. The rockets of this program carry incremental loads with the mere fact of adding more modules.

Percival Lowell and the Mars channels He was a simple "American astronomy fan" who made significant observations of the planets. Percival Lowell (1855-1916) is known for advocating the existence of channels on the surface of Mars and turning these supposed channels into the evident proof that there was intelligent life on the planet.

During the collapse of a star at the commencement of supernovae, the intense pressures force fusion and fission to create the heavier elements and release vast amounts of energy. As this energy/mas…

I am trying to make home telescope, I have a convex lens of focal length 1000mm and eyepiece (plano-convex) with 25mm focal length. What is the ideal distance between objective and eyepiece to see

I'm trying to create a geodesic dome with the stars of the northern night sky inscribed on the outside. The highest point of the dome would be the celestial north pole. How do I create a map that

Dominating the upper third of Africa is the largest band of dry land on Earth: the Sahara desert. Huge areas of sand and gravel, seas of sand dunes and barren rock mountains extend along the Sahara. However, only 10,000 years ago the region was covered in green and was rich in mammals such as lions and elephants.