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Thread: In a first, NASA returns asteroid samples to Earth

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  1. #1
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    In a first, NASA returns asteroid samples to Earth

    https://www.nbcnews.com/science/spac...rth-rcna111474

    capsule containing precious samples from an asteroid landed safely on Earth on Sunday, the culmination of a roughly 4-billion-mile journey over the past seven years.

    The asteroid samples were collected by NASA’s OSIRIS-REx spacecraft, which flew by Earth early Sunday morning and jettisoned the capsule over a designated landing zone in the Utah desert. The unofficial touchdown time was 8:52 a.m. MT, 3 minutes ahead of the predicted landing time.
    Not only for bringing the sample back, but OSIRIS is heading back out to rendezvous with a different asteroid. It's may not bring back samples this time, but it blows my mind it was able to pick up samples from one asteroid, drop it off in a flyby of Earth, then head back out for more experiments.
    Religion is doing what you are told no matter what is right. Morality is doing what is right no matter what you are told...

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    Why on earth (pun intended) would we be wasting billions of dollars on these space and science programs when we could be putting all that money into social programs in this country?

    I. Am. Being. Sarcastic.

    And I agree, amazing and incredible accomplishment.


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    I don’t think enough people appreciate how incredible of an achievement this is.

    We should be funding our space programs more.

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    Freaking amazing. Shows what America can do when it actually tries
    Let those who are fond of blaming and finding fault, while they sit safely at home, ask, ‘Why did you not do thus and so?’I wish they were on this voyage; I well believe that another voyage of a different kind awaits them.”

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    Quote Originally Posted by SpecWired View Post
    I don’t think enough people appreciate how incredible of an achievement this is.

    We should be funding our space programs more.
    Yeah, it really is amazing, but I don't think your average person can digest the complexity enough to appreciate it.

    While we got a space thread going, this was actually a pretty cool event. Chances of "just happened to record this" are pretty slim.



    Not awesome enough for people who expect the moon to crack in half, but I think this crowd can appreciate it.
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    So if my math is right- traveling 4 billion miles in 7 years is an average speed of 65,231 mph. Is that even possible? Someone school me on this.
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    Quote Originally Posted by flenna View Post
    So if my math is right- traveling 4 billion miles in 7 years is an average speed of 65,231 mph. Is that even possible? Someone school me on this.
    Using the sun’s gravity the NASA Parker Solar Probe reached a speed of around 330,000 mph. It did seven Venus flybys over seven years to gradually shrink its elliptical orbit around the Sun using gravity assists to increase its speed.
    Last edited by tn1911; 09-25-23 at 08:34.
    Religion is doing what you are told no matter what is right. Morality is doing what is right no matter what you are told...

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    Quote Originally Posted by flenna View Post
    So if my math is right- traveling 4 billion miles in 7 years is an average speed of 65,231 mph. Is that even possible? Someone school me on this.
    With many limitations due to earth's atmosphere, speed in a vacuum with no gravity is almost limitless.

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    You guys think we will be mining asteroids in our lifetimes?

    Quote Originally Posted by Adrenaline_6 View Post
    With many limitations due to earth's atmosphere, speed in a vacuum with no gravity is almost limitless.
    Especially when you don't have to worry about accelerating a living being. Computers have a much higher G tolerance than humans.
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    Quote Originally Posted by flenna View Post
    So if my math is right- traveling 4 billion miles in 7 years is an average speed of 65,231 mph. Is that even possible? Someone school me on this.
    Possible with current human tech? In General? Yes to the first, and so slow as to be almost useless in terms distances on a galactic scale. We will have to do considerably better to even reach the closest stars not our own, and even then, it would take generational times lengths. That's why scientists are not skeptical about life existing in the galaxy, much less the universe, but are skeptical they could have visited us. Those are two totally different issues.
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