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Reaching the Sun: Challenges and Theoretical Solutions Explained

11/19/2025

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Summary

Story summary

An associate professor explains that aiming at the Sun fails because Earth’s orbital velocity would avert impact.
A Sun entry would require 7,000 km/s, far beyond today’s capabilities.
NASA’s Parker Solar Probe has reached within 6.1 million kilometers of the Sun, using Venus gravity assists to alter its orbit.
This approach could theoretically send a target into the Sun, requiring substantial time and fuel.

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Story summary

An associate professor explains that aiming at the Sun fails because Earth’s orbital velocity would avert impact.
A Sun entry would require 7,000 km/s, far beyond today’s capabilities.
NASA’s Parker Solar Probe has reached within 6.1 million kilometers of the Sun, using Venus gravity assists to alter its orbit.
This approach could theoretically send a target into the Sun, requiring substantial time and fuel.