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The Water Cooler
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Has Man Achieved 1% of the Speed of Light?
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<blockquote data-quote="Snattlerake" data-source="post: 3867475" data-attributes="member: 44288"><p>I was watching Modern Marvels on Apollo 11 this morning. They stated after 12 Earth orbits, they fired their main engines to escape Earth's gravity and achieved 24,000 MPH. I know that is pretty fast and they did it in 1969. I did some digging.</p><p></p><p>According to this article,</p><p></p><p>[URL unfurl="true"]https://theconversation.com/have-we-made-an-object-that-could-travel-1-the-speed-of-light-170849#:~:text=The%20fastest%20human%2Dmade%20objects,is%20NASA's%20Parker%20Solar%20Probe.[/URL]</p><p></p><p>bullets can see three times the speed of sound, around 2,600 MPH. The shuttle was only around 14K or so. Scram jets are theoretically capable of MACH 12, which is back up to 25,000 MPH. The fastest piloted non spacecraft was the X-15 at 4,500 MPH which is MACH 6.2 Impressive, but it’s still only 0.001% the speed of light.</p><p></p><p>Now, 186,000 MPS, that is miles per second, roughly 7,000,000 MPH is kinda fast but, the fastest human-made objects are spacecraft. The spacecraft that is traveling the fastest is NASA’s <a href="https://www.cnet.com/home/energy-and-utilities/nasa-solar-probe-becomes-fastest-object-ever-built-as-it-touches-the-sun/" target="_blank">Parker Solar Probe</a>. After it launched from Earth in 2018, it skimmed the Sun’s scorching atmosphere and used the Sun’s gravity to reach 330,000 mph (535,000 kmh). That’s blindingly fast – yet only 0.05% of the speed of light.</p></blockquote><p></p>
[QUOTE="Snattlerake, post: 3867475, member: 44288"] I was watching Modern Marvels on Apollo 11 this morning. They stated after 12 Earth orbits, they fired their main engines to escape Earth's gravity and achieved 24,000 MPH. I know that is pretty fast and they did it in 1969. I did some digging. According to this article, [URL unfurl="true"]https://theconversation.com/have-we-made-an-object-that-could-travel-1-the-speed-of-light-170849#:~:text=The%20fastest%20human%2Dmade%20objects,is%20NASA's%20Parker%20Solar%20Probe.[/URL] bullets can see three times the speed of sound, around 2,600 MPH. The shuttle was only around 14K or so. Scram jets are theoretically capable of MACH 12, which is back up to 25,000 MPH. The fastest piloted non spacecraft was the X-15 at 4,500 MPH which is MACH 6.2 Impressive, but it’s still only 0.001% the speed of light. Now, 186,000 MPS, that is miles per second, roughly 7,000,000 MPH is kinda fast but, the fastest human-made objects are spacecraft. The spacecraft that is traveling the fastest is NASA’s [URL='https://www.cnet.com/home/energy-and-utilities/nasa-solar-probe-becomes-fastest-object-ever-built-as-it-touches-the-sun/']Parker Solar Probe[/URL]. After it launched from Earth in 2018, it skimmed the Sun’s scorching atmosphere and used the Sun’s gravity to reach 330,000 mph (535,000 kmh). That’s blindingly fast – yet only 0.05% of the speed of light. [/QUOTE]
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