Unverified50% confidenceFactExact time
The Parker Solar Probe reached a speed of approximately 430,000 miles per hour during its closest solar flyby, roughly 120 miles per second (200 kilometers per second)
1
Sources
50%
Confidence
Long-term
Relevance
10/4/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedAn orbital flight requires the spacecraft to reach the first cosmic velocity of approximately 7.9 km/s at an altitude of about 200 km or above.72% similarUnverified地球运动包含围绕太阳公转约30km/s、太阳围绕银河系中心公转约220km/s、以及太阳相对局部恒星群的本动速度70% similarUnverifiedThe Parker probe's record-breaking speed comes primarily from the Sun's enormous gravity, with the probe being continuously accelerated as it falls into the Sun's gravitational well69% similarUnverifiedThe Sun is the closest star to Earth, at approximately 150 million kilometers, or 1 astronomical unit.68% similar
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