... On the plot the Spacecraft visibility relative to the groundbased station is shown ... The Spacecraft visibility relative to the corresponding groundbased station is ...
... In it, centrifugal force just balances gravity for a spacecraft that is in a circular orbit with a period of one orbit per day ... satellite (Syncom 2) was launched in 1963, and nowadays there are typically several spacecraft in this orbit continuosly ...
... On October 20, 1975, this spacecraft was separated from the Orbiter, and landing was made with the sun near zenith at 0513 UT ... This system, plus precooling prior to entry, permitted operation of the spacecraft for 53 min after landing. ...
... The Mars Surveyor '98 Orbiter is the companion spacecraft to the Mars Surveyor '98 Lander. ... The two spacecraft will be launched separately, but comprise a single mission to study the Martian weather, climate, and water ...
... Halley's Comet . Spacecraft that have visited Halley's Comet . ... Then in 1984 and 1985, five spacecraft from the USSR, Japan and Europe were launched ... Only three comets have ever been studied by spacecraft. ...
... The polar diagram shows the spacecraft corrected geomagnetic co-ordinates : co-latitude - local time . ... The different colours are used for each of the 4 spacecraft. On the plot the SC names are shown by the corresponding colours.. ...
... On the plot the simulative geophysical regions in the Spacecraft positions are shown as a function of the UT . ... The time (with 20-min step) is labelled by the symbol , corresponding to the geophysical region in the Spacecraft position . ...
... Luna 2 was the second of a series of spacecraft launched in the direction of the Moon. ... The first spacecraft to land on the Moon, it impacted the lunar surface east of Mare Serenitatis near the Aristides, Archimedes ...