Science

After the retirement of the Space Shuttle in 2011, NASA began the development of the Commercial Crew Program (CCP).

Although graphene consists of an element that is abundant on Earth, its production costs are high.

The largest canyon both on Mars and in the entire Solar System is Valles Marineris, which stretches 400 kilometers, is 200 kilometers wide, and 10 kilometers deep.

Silver is a metal slightly harder than gold.

Up to 14.000 square kilometers of the Moon's surface may remain in perpetual shadow.

Its surface is highly geologically diverse.

Phobos is one of the two natural satellites orbiting Mars.

The first NASA Space Shuttle, Columbia, at the end of its final flight on February 1st, 2003, disintegrated upon reentry, which resulted in the death of all seven members of the crew.

Auroras take many shapes. They can appear in the form of colored rays, streaks, ribbons, curtains, crowns, arcs, and others.

In diamond, each of carbon’s four valence electrons is involved in the formation of such bonds.