Earth, Venus, Mercury... and the Parker Probe. It keeps flying near Venus and getting pushed closer to the Sun. In September it came within 25 million kilometers of the Sun. In January it will get closer: 19 million km. That's HOT! But that's just the start... (1/n)pic.twitter.com/tt1CxjBV3e
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By the end of 2024 it will come within 7 million kilometers of the Sun. That's 1/9 as far as Mercury is from the Sun, so the Sun will look 81 times brighter than on Mercury. It's just 10 solar radii from the Sun's center! It'll be moving at 0.064% the speed of light. (2/n)pic.twitter.com/5icLvr0ISp
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Replying to @johncarlosbaez
any idea what the max velocity is before it gets too hot to work? Would be neat to see some relativistic images sent back
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Replying to @InertialObservr
It's scheduled to reach 0.064% the speed of light in the 22nd perihelion, but I can't find any information on what will happen after the 24th! Someone must have thought about this.... does anyone here know? Of course it won't reach relativistic speeds.pic.twitter.com/YoQS30dL4d
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Replying to @johncarlosbaez @InertialObservr
Although I wouldn’t call even 1% of lightspeed “relativistic”, I just got a surprise by the following comparison: the deflection of starlight by the sun that “validated“ GR was about 8 microradians. You can get that much relativistic aberration at 0.0008% c, or 2.4 km/sec!
3 replies 1 retweet 17 likes
I was thinking to check that same thing! Really neat
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