When was Skylab started? When did the Russian capsules Vostok 2 launch? When did the Russian capsules Vostok 5 launch? When was the space shuttle invented? When was Comet West discovered? When was Explorer 1 launched? When was the International Space Station built?
When was Skylab started? When is the Orion constellation visible? When was Earth formed on the cosmic calendar? When was the Tycho crater created? When did humans first appear on Earth? When did Kepler discover the laws of planetary motion?
The Soviet Union(前苏联) sent the first space station into space in 1971. This space station was called Salyut I. Salyut I was designed as a place where people could live while they observed space and did experiments. The first group of astronauts lived there for 23 days. ...
Long before the ISS, though, America’s first manned space station, Skylab, very nearly never came to fruition. Damaged during launch and crippled both electrically and thermally, the entire program was almost scrapped before the first crew ever arrived. This is the story of how Skylab came to...
An overhead view of the Skylab Orbital Workshop in Earth orbit as photographed from the Skylab 4 Command and Service Modules (CSM) during the final fly-around by the CSM before returning home. The space station is contrasted against the pale blue Earth. During launch on May 14, 1973, some...
When was Skylab started? How was the Arecibo Observatory built? When was the first permanent solar telescope built? When was the first monkey in space? When did Buzz Aldrin land on the moon? When was The Planetary Society founded? When was the Biela's Comet discovered? When is the Interna...
Did the Saturn rocket go to the moon? Why did the Saturn rocket blow up? What rocket launched the space shuttle? When was the Endeavour space shuttle built? When was the Challenger space shuttle built? When was Skylab started? What falls down during a Saturn rocket launch? When was Sputnik...
When did Skylab return to Earth? When was the Endeavour space shuttle built? When did Hale-Bopp disappear? When did Apollo 15 land on the moon? When did Apollo 16 land on the moon? When did Apollo 12 land on the moon? When did Apollo 13 land on the moon? When did Apollo 14 land...
When did the Tunguska event occur?The Tunguska Event:The blast that occurred over Tunguska is believed to have been caused by a relatively small asteroid or comet (about 100 m, 330 ft) in diameter. The air waves from the blast were detected from as far away as Washington, DC....
When was Skylab started? When did the Russian capsules Vostok 5 launch? When did the Russian capsules Vostok 2 launch? When did the asteroid belt form? When is Halley's Comet due back in 2022? When did Halley's Comet occur in 1835? When was Comet Encke discovered? When is planet Mars...