Both men realized what they had discovered. The rock was almost entirely plagioclase. This was surely a chunk of anorthosite, a piece of the primordial crust, the Genesis Rock.

Space Rocket History #347 – Apollo 15 – Traverse 2-Part 2 – The Genesis Rock

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Scientists had long been intrigued by Mercury, the innermost planet of our solar system. Despite its proximity to the Sun, Mercury remained largely unexplored, with many questions remaining about its surface features, geological composition, and magnetic field. The scientific community … Continue reading →

Space Rocket History #437 – Mariner 10 – Venus & Mercury

Pioneer 11 detected Saturn’s bow shock on Aug. 31, 1979, about 932,000 miles (1.5 million kilometers) out from the planet, thus providing the first conclusive evidence of the existence of Saturn’s magnetic field.

Space Rocket History #436 – Pioneer 11

This second generation of the Soyuz spacecraft, the Soyuz 7k-T was flown on Soyuz 12 through Soyuz 40 missions from 1973–1981. The new 7K-T spacecraft was designed to accommodate only two cosmonauts who would wear pressure suits at all times … Continue reading →

Space Rocket History #435 – Soyuz 12 & 13

At this point in 1973, the Soviets were attempting to fly 2 types of space station, the long duration orbital station scientific version called DOS.  The other station was a military spy space station equipped with a machine gun, called … Continue reading →

Space Rocket History #434 – Salyut 2, Mars 4, 5, 6, 7 & Tang Ceremony

Despite predictions, events seldom occur precisely as expected. The calculated breakup altitude of Skylab was based on its intended structural strength specifications. However, the actual vehicle was stronger than the specified strength requirements.

Space Rocket History #347 – Apollo 15 – Traverse 2-Part 2 – The Genesis Rock

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