Nick Oberg

@astronobiwan

Studies moons formation at the University of Groningen & TU Delft. Find more of my stuff including space illustrations at

Vrijeme pridruživanja: rujan 2018.

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  1. 30. sij

    I made an up-to-date map of the nearest stars and their planets. Make sure to check out the full resolution poster here:

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    30. sij

    Hey! New Horizons is so far away that Proxima Cen shifts by 32 arcsec and Wolf 359 by 16, and we're going to show that by taking images of their fields on April 22-23 and comparing them to simultaneous Earth-based images.

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    26. sij
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    19. sij

    Crew Dragon separating from Falcon 9 during today’s test, which verified the spacecraft’s ability to carry astronauts to safety in the unlikely event of an emergency on ascent

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    22. sij

    A timelapse of Uranus and its moons using the Space Telescope reveals the planet's rotation, moon orbits and seasons of this enigmatic planet. Made by Erick Karkoschka//, presented at . See more

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    14. sij
    Odgovor korisniku/ci

    I still have a list of my favorite rejected name proposals from the MER naming contest, which The Planetary Society helped to judge. My fave among these was “Taco” and “Chalupa”

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    The early Solar System was structured with rings like those we see in protoplanetary disk images, and one of the gaps generated the great isotopic dichotomy of carbonaceous/non carbonaceous materials. Brasser & Mojzsis:

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    30. pro 2019.

    Fun dataviz work by for a January article on star-hopping alien civilizations (authored by ). See the full graphic here—>

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    7. sij

    Check out the layout of the TOI-700 system compared with some other well-known systems

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    2. sij

    To count an animal population if you can't catch them all: capture some, mark them, release, and capture again. The ratio of new vs already seen tells you something about the total number. Shown here is iterated mark-and-recapture with a Bayesian updates to belief about pop size

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    26. pro 2019.

    Wow: This ultraviolet Hubble movie shows the ring of aurora on Jupiter + the silhouette and shadow of its moon Europa. You can also see the magnetic footprint of Io, just ahead of the aurora!

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    24. pro 2019.

    There's a lot of discussion about the dimming of Betelgeuse on astrotwitter at the moment. This simulation by Bernd Freytag et al. spanning just 16 years shows just how crazily variable red supergiant stars can be due to convection & magnetic fields. 1/

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    14. pro 2019.

    Has this never been shown before? Here is (an animation of) the ejecta plume over asteroid after the impactor released by had hit:

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    11. pro 2019.

    "With the advent of the high speed digital computer, it will now be possible to make mistakes at a rate never before dreamed of." -- quote in the front page of the CDC 6600 FORTRAN manual from the 1970s.

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    3. pro 2019.

    I'm happy to see a paper on how J1407's exorings could be held together - and exomoons may not be needed for the gaps! Speedie and Zanazzi "The Structure and Stability of Extended, Inclined Circumplanetary Disk or Ring Systems"

    Warped disks around a J1407b-like system. Figure 2 from Speedie+ 2019.
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    28. stu 2019.

    Wow! 📡 Technological simulation of the collision of two gas clouds. Filamentous structures forming simultaneously after a collision. This simulation was made by Tsuyoshi Inoue with the supercomputer ATERUI operated by

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    17. stu 2019.

    ...algunas de las recientes imágenes de la VMC tienen un maravillosa plasticidad😉 VMC The Mars Webcam Image acquired on 17-11-2019 at 04:54:38 at an altitude of 2185.08 km above 🔴 on 🛰️ orbit number 20076 - j. Roger

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    New constraints on the HR 8799 planetary system from mid-infrared direct imaging

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  19. 27. lis 2019.

    The Insight mole appears to have suddenly popped back out over just a few minutes! What is going on here?

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    16. lis 2019.

    📡ALMA witness planet formation in action. At 3 locations in the disk around a young star called HD 163296, gas is flowing like a waterfall into gaps that are most likely caused by planets in formation. 📹video: computer simulation.

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