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New Horizons

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Comments

  • Registered Users Posts: 1,452 ✭✭✭ads20101


    NASA tv now folks


  • Registered Users Posts: 2,559 ✭✭✭refusetolose


    Dv7aCJoU8AAGyPW.jpg


  • Registered Users Posts: 1,452 ✭✭✭ads20101


    It’s a snowman


  • Registered Users Posts: 1,452 ✭✭✭ads20101


    Dv7btmaU8AA7gmY?format=jpg&name=medium


  • Registered Users Posts: 1,452 ✭✭✭ads20101


    Look at the pp slides (bottom left)

    They have the date wrong

    January 2 2018


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  • Registered Users Posts: 2,708 ✭✭✭Curly Judge


    Ultima Thule is a contact binary.
    Watch it here: https://www.space.com/17933-nasa-television-webcasts-live-space-tv.html?utm_source=notification
    The smaller head is to be called Thule and the 3 times larger body is to be called Ultima.


  • Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 90,681 Mod ✭✭✭✭Capt'n Midnight


    Now in colour. Reddish like Pluto.

    https://solarsystem.nasa.gov/resources/2236/first-color-image-of-ultima-thule/

    https://solarsystem.nasa.gov/system/resources/detail_files/2236_MU69_color.png
    The first color image of Ultima Thule, taken at a distance of 85,000 miles (137,000 kilometers) at 4:08 Universal Time on January 1, 2019, highlights its reddish surface. At left is an enhanced color image taken by the Multispectral Visible Imaging Camera (MVIC), produced by combining the near infrared, red and blue channels. The center image taken by the Long-Range Reconnaissance Imager (LORRI) has a higher spatial resolution than MVIC by approximately a factor of five. At right, the color has been overlaid onto the LORRI image to show the color uniformity of the Ultima and Thule lobes. Note the reduced red coloring at the neck of the object.


  • Registered Users Posts: 8,636 ✭✭✭feargale



    In colour it's very obvious now that it's not a snowman as we were first told. It's a malformed potato.


  • Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 90,681 Mod ✭✭✭✭Capt'n Midnight


    It's behind the Sun for a while

    http://pluto.jhuapl.edu/News-Center/News-Article.php?page=20190103
    Data transmission from New Horizons will pause for about a week while the spacecraft passes behind the sun as seen from here on Earth. Data transmission resumes Jan. 10, starting a 20-month download of the spacecraft's remaining scientific treasures.


  • Moderators, Social & Fun Moderators Posts: 12,564 Mod ✭✭✭✭JupiterKid


    It’ll take 2 years for all the data to be downloaded.

    Meanwhile, China has successfully landed the first rover on the far side of the Moon. Yay! :D


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  • Registered Users Posts: 12,140 ✭✭✭✭MadYaker


    And I’ll be damned if it doesn’t look the same as this side!

    Seriously though why did they bother with that? This is much cooler. Cool to see a thread on boards following the whole thing as well.


  • Registered Users Posts: 3,863 ✭✭✭mikhail


    MadYaker wrote: »
    Seriously though why did they bother with that?
    China has done a lot of me-too space exploration. This is unusual for them in that it's a first. There's some degree of technical challenge in successfully landing something in the radio shadow of the moon. They've built and launched a relay satellite to make that work. There are some minor experiments they can perform at that location, but the main thing is the statement of intent that they're ready for bigger challenges. I expect them to do something pretty cool in that direction the next decade.


  • Moderators, Science, Health & Environment Moderators, Society & Culture Moderators Posts: 60,071 Mod ✭✭✭✭Wibbs


    Hopefully. Though on the manned front getting to low earth orbit is "easy", going from earth to the moon is of a magnitude more difficult. They're gonna need a bigger boat rocket for a start. A real heavy lifter. I suppose they could go one of the original notions planned for Apollo, which is get a space station together as a launch platform, but that needs a heavy lifter or a shedload of lower weight launches. The final Apollo setup is probably still about the "easiest", but it has a built in obsolescence too.

    Rejoice in the awareness of feeling stupid, for that’s how you end up learning new things. If you’re not aware you’re stupid, you probably are.



  • Registered Users Posts: 33,853 ✭✭✭✭Hotblack Desiato


    A big smack upside the head for anyone who says "dark side of the moon". :rolleyes:

    Life ain't always empty.



  • Registered Users Posts: 3,863 ✭✭✭mikhail


    A big smack upside the head for anyone who says "dark side of the moon". :rolleyes:
    There is no dark side of the moon really. Matter of fact it's all dark.


  • Registered Users Posts: 203 ✭✭SophieLockhart


    Dark doesn't have to mean no light though, it could just mean unexplored or not as familiar.


  • Registered Users Posts: 16,686 ✭✭✭✭Zubeneschamali


    Dark doesn't have to mean no light though, it could just mean unexplored or not as familiar.


    "Darkest Africa".


  • Moderators, Social & Fun Moderators Posts: 12,564 Mod ✭✭✭✭JupiterKid


    New Horizons mission director Alan Stern has stated that with any luck the spacecraft may make a close encounter with another Kuiper Belt Object as it exits our solar system.

    Remember the Kuiper belt, a vast belt of icy objects beyond the orbit of Neptune (and which Pluto is one of the larger members of) was only directly detected for the first time in 1992, and makes the much closer asteroid belt seem tiny in comparison.

    It is also the reservoir fron which short period comets originate from. Essentially the just imaged Ultima Thule is the naked nucleus of a comet. Amazing!


    As for China landing a rover on the far side of the Moon, yes this is a feat. Yes, the Americans walked on the Moon nearly 50 years ago, but China have firm plans for manned lunar missions, and these will be incremental in nature, leading to a manned lunar base in the long term. Not a “footprints and flags” space-race driven Apollo programme that turned out to be a dead end.


  • Closed Accounts Posts: 1,385 ✭✭✭ThunderCat


    Dark doesn't have to mean no light though, it could just mean unexplored or not as familiar.



    In the case of the Moon it also means radio silence. To overcome this I'm pretty sure the Chinese have some sort of relay probe in moon orbit which allows communication with the rover.


  • Registered Users Posts: 1,452 ✭✭✭ads20101


    Just had a look on the New Horizons site:

    http://pluto.jhuapl.edu/soc/UltimaThule-Encounter/

    Rather surprised that no further imagery has been released since the 1/1/19


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  • Registered Users Posts: 2,378 ✭✭✭RebelButtMunch


    ads20101 wrote: »
    Just had a look on the New Horizons site:

    http://pluto.jhuapl.edu/soc/UltimaThule-Encounter/

    Rather surprised that no further imagery has been released since the 1/1/19

    I thought I'd read that it's gone behind the sun for a bit and will resume after that.


  • Registered Users Posts: 1,452 ✭✭✭ads20101


    I went onto the DSN to see if they're getting data at the moment. Unfortunately, not from New Horizons, but I did see that they are currently receiving data from voyager 1 at a distance of 21.7 billion km.

    Amazing stuff!!


  • Registered Users Posts: 3,863 ✭✭✭mikhail


    I thought I'd read that it's gone behind the sun for a bit and will resume after that.
    That's correct. We're in a ten-day window where they can't communicate with the probe. Normal service should resume fairly soon.


  • Registered Users Posts: 15,552 ✭✭✭✭AMKC
    Ms


    mikhail wrote: »
    There is no dark side of the moon really. Matter of fact it's all dark.

    Its called the dark side of the moon because it never faces the Earth and we never get to see that 40% of it from the Earth because of the Earths orbit and how the moon goes around the Earth. We can see the other 60% of the moon from the Earth but not all at the one time.

    Live long and Prosper

    Peace and long life.



  • Registered Users Posts: 3,863 ✭✭✭mikhail


    AMKC wrote: »
    Its called the dark side of the moon because it never faces the Earth and we never get to see that 40% of it from the Earth because of the Earths orbit and how the moon goes around the Earth. We can see the other 60% of the moon from the Earth but not all at the one time.
    It's a Pink Floyd lyric, doofus. People posting on this board generally know the moon is tidally locked.


  • Registered Users Posts: 33,853 ✭✭✭✭Hotblack Desiato


    Hilarious reading the excuses on here about how a side of the moon which is sunlit 50% of the time is actually "dark". :rolleyes:

    Life ain't always empty.



  • Registered Users Posts: 3,863 ✭✭✭mikhail


    They released a nice image from a more oblique angle the other day.
    https://www.nytimes.com/2019/01/25/science/ultima-thule-photo.html

    26tb-newhorizons-jumbo.jpg?quality=90&auto=webp


  • Registered Users Posts: 3,863 ✭✭✭mikhail




  • Registered Users Posts: 3,863 ✭✭✭mikhail


    “Celestial snowman” starts to reveal its secrets
    At first glance, MU69 looked much as researchers had imagined a pristine Kuiper Belt object (KBO) would appear, with a dark surface, rich in water ice and organic material, and relatively unscarred by craters. But when they looked closer, it offered plenty of surprises. From its shape to its spin to its composition, the distant rock is providing planetary researchers with a wealth of information about the conditions in the vicinity of the sun 4.5 billion years ago, and it’s even helping solve a decades-old puzzle about how the planets formed.
    https://www.pnas.org/content/116/38/18749


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  • Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 90,681 Mod ✭✭✭✭Capt'n Midnight


    New Horizons conducts the first interstellar parallax experiment

    1-nasasnewhori.gif
    This two-frame animation of Wolf 359 blinks back and forth between New Horizons and Earth images of each star, clearly illustrating the different view of the sky New Horizons has from its deep-space perch. Credit: NASA
    ...

    The New Horizons experiment provides the largest parallax baseline ever made—over 4 billion miles


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