Sökning: "Planeterna i solsystemet"

Visar resultat 1 - 5 av 16 uppsatser innehållade orden Planeterna i solsystemet.

  1. 1. Effects of planetary radius contraction on scattering

    Kandidat-uppsats, Lunds universitet/Astronomi - Genomgår omorganisation

    Författare :Viktor Hrannar Jónsson; [2020]
    Nyckelord :Physics and Astronomy;

    Sammanfattning : The observed high orbital eccentricities of many giant exoplanets is thought to be the result of gravitational scattering between planets. Outcomes of planet-planet scattering can result in some planets being lost by ejections into interstellar space, or collisions between planets or with the star. LÄS MER

  3. 2. Capture of interstellar objects in the Solar system

    Kandidat-uppsats, Lunds universitet/Astronomi - Genomgår omorganisation

    Författare :Jonathan Petersson; [2020]
    Nyckelord :interstellar objects; Physics and Astronomy;

    Sammanfattning : Research on InterStellar Objects (ISOs) has been done for several decades, however, the first observed ISO in the Solar system was only recently discovered in 2017. It was named 1I/'Oumuamua and was only passing though the Solar system, but this may not be the case for all objects of its kind. LÄS MER

  4. 3. The Solar System Around a Binary Star

    Kandidat-uppsats, Lunds universitet/Astronomi - Genomgår omorganisation

    Författare :Jesper Nielsen; [2019]
    Nyckelord :planetary system stability; binary star; Physics and Astronomy;

    Sammanfattning : The observations of circumbinary planets have confirmed that these can in fact be stable. While previous studies on circumbinary planets have been done, not many have been made on systems containing multiple circumbinary planets on eccentric orbits. LÄS MER

  5. 4. Dynamics of a high-eccentricity planet in a large planetesimal disc

    Kandidat-uppsats, Lunds universitet/Astronomi - Genomgår omorganisation

    Författare :Martin Schmidt Montelius; [2019]
    Nyckelord :Physics and Astronomy;

    Sammanfattning : Clustering of orbital characteristics for distant Solar System objects has been proposed to indicate the presence of a ninth planet. Simulations show that the planets orbit would have to have a mass of 5–10 Solar masses, a semi-major axis of 400–800 AU, an eccentricity of 0.2–0.5 and an inclination of 15–25°. LÄS MER

  7. 5. Formation and Evolution of Protoplanetary Disks

    Master-uppsats, Lunds universitet/Astronomi - Genomgår omorganisation

    Författare :Johan Appelgren; [2019]
    Nyckelord :protoplanetary disk; protoplanetary disk formation; protoplanetary disk evolution; planet formation; Physics and Astronomy;

    Sammanfattning : A star forms with a surrounding protoplanetary disk after the collapse of a molecular cloud core. Subsequently, over a period of several Myr this protoplanetary disk of dust and gas is accreted onto the host star. We model the formation and evolution of such a protoplanetary disk using a one-dimensional numerical model. LÄS MER