Talk:Parker Solar Probe

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Untitled[edit]

What does it mean to be the "fastest" object when something is in space?

That is, speed relative to what? — Preceding unsigned comment added by 93.34.50.240 (talk) 08:40, 17 August 2012 (UTC)

Speed is measured relative to the inertial frame of reference of the moving object. For earth bound objects (including those in orbit around the Earth) that is the Earth itself. So you time the object between two points relative to the Earth. We tend to use the surface of the earth for convenience, but for accuracy and for use in space, the center of gravity of the Earth is the actual reference.

For a spacecraft, like Solar Probe, in the solar system, the inertial frame of reference is the Sun. So you use the time between two points relative to the center of the Sun. For Solar Probe, this is especially appropriate, since it will be "skimming" the surface of the Sun, so to speak. — Preceding unsigned comment added by Alan.A.Mick (talkcontribs) 02:03, 13 October 2013 (UTC)

SpaceNews dead link update (References #4)[edit]

Please update if this is the correct link. http://spacenews.com/41380solar-probe-plus-nasas-mission-to-the-fires-of-hell-trading-atlas-5-for/

BenjaminJMeyer (talk) 08:30, 2 January 2015 (UTC)

Materials[edit]

Of what materials is the Parker Solar Probe to be constructed? MaynardClark (talk) 17:59, 21 August 2017 (UTC)

Various different materials. I don't have to whole list. But that, as well as a description of the spacecraft and the instruments, should really be added to this page. Fcrary (talk) 18:03, 21 August 2017 (UTC)

External links modified[edit]

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Relativistic effects?[edit]

I know relativity is needed to explain long term precession of Mercury. I'm curious if relativistic corrections are needed for a mission like that? Tom Ruen (talk) 19:45, 22 November 2017 (UTC)

I see the question here [1] Tom Ruen (talk) 19:46, 22 November 2017 (UTC)