Mercury – Mariner 10

28 Jan 2015 | Author: | Comments Off on Mercury – Mariner 10

Mercury Mariner

The Mariner 10 was the first spacecraft to use of another planet’s gravitational to change its course. This was called a gravity assist practically propelled the Voyager to the outer planets.

The Mariner 10 was to fly by and use the gravitational pull of Venus to the probe’s course by slowing it enough to make it fall in the Sun and towards Mercury. A small at the gravity assist maneuver and it have meant missing by million miles.

At first, right after on the Atlas Centaur launch (left), it was parked in earth for about 25 minuets then on a spiraling heliocentric orbit Venus and Mercury. This was opposite of the motion of the Earth the Sun. It reached Venus on 5, 1974 at a distance of 4200 and took over 4,000 of Venus.

It was the only one designed to take of the thick clouds. On the way to Mercury Venus the TV and UV experiments were on the comet Kohoutek. Finally on 29, 1974 the Mariner 10 reached at 20:46 UTC (3:46 PM E.S.T).

The 10 flew within 460 miles km) of Mercury on March 29, 1974 and its first pictures of Mercury. It some of the scientists by surprise. The at Jet Propulsion Labs, filled high-ranking military personnel, that Mercury looked it had been attacked by B-52

At first the pictures were and indistinct, but it slowly focused to be the of a crater. The first feature to be on Mercury was name Crater after Gerard Kuiper, the planetary scientist who died the Mariner 10 was on the way to Mercury. During the of Mercury, Mercury had the same facing the sun, because it turns three times in 2 years.

So the Mariner 10 only took of the lighted side, which to about 45% and the resolution of 1 km.

Mercury Mariner

It detected the field of Mercury. The speed of 10 had made it go into orbit the sun that took exactly 2 years (176 days). So it see Mercury again.

The Mariner 10 had enough fuel to fly by one or two times. On the 2nd encounter on September 21, the Mariner 10 took hundreds as it passed only 47,000 km A 3rd flyby happened on March 16, at a much closer altitude of 327 km, it detected the magnetic field of and took about 300 more

Engineering tests happened up March 24, 1975 when the ran out of fuel and started to tumble out of

The total cost of the Mariner (Mariner 1-10), including development, launch and support approximately $554 million.

Mercury Mariner
Mercury Mariner
Mercury Mariner
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