Sökning: "Galaxy"

Visar resultat 1 - 5 av 82 uppsatser innehållade ordet Galaxy.

  1. 1. SUPPORT, CONNECT, AND ORGANIZE. Exploring moderator roles in citizen science discussion forums.

    Master-uppsats, Göteborgs universitet/Institutionen för pedagogik, kommunikation och lärande

    Författare :Frauke Rohden; [2018-07-04]
    Nyckelord :moderator roles; online forums; citizen science; virtual organizations;

    Sammanfattning : The purpose of this study is to explore how moderators act in the online discussion forums of two big citizen science projects, Galaxy Zoo and Foldit, and to find out which roles and influences moderators might have in these projects.... LÄS MER

  2. 2. Can tidal interactions produce MGC1?

    Master-uppsats, Lunds universitet/Astronomi; Lunds universitet/Institutionen för astronomi och teoretisk fysik

    Författare :Eric Andersson; [2018]
    Nyckelord :globular cluster; MGC1; Andromeda; M31; galaxy; dwarf galaxy; tidal interactions; Physics and Astronomy;

    Sammanfattning : The globular cluster population of large spiral galaxies can be divided into two populations: one population which formed in-situ and one which has been assembled through capture of clusters that have been tidally stripped away from other galaxies during close encounters or mergers. In this work, I focus on the globular cluster MGC1, which is orbiting the M31 galaxy. LÄS MER

  3. 3. The first supernovae and the mass distribution of Population III stars

    Kandidat-uppsats, Lunds universitet/Astronomi

    Författare :Martin Mikitas; [2018]
    Nyckelord :Astronomy; Supernovae; STARFIT; Salpeter; IMF; Physics and Astronomy;

    Sammanfattning : The properties of the early Milky Way are quite mysterious and some are completely unknown even today. This study is the first one ever to analyze the mass distribution of Population III bulge stars. LÄS MER

  4. 4. Copper abundances of F and G dwarf stars in the Milky Way

    Kandidat-uppsats, Lunds universitet/Astronomi

    Författare :Filip Andersson; [2018]
    Nyckelord :Copper Abundance; Galaxy Formation; Dwarf Stars; Milky Way; Chemical Evolution; Physics and Astronomy;

    Sammanfattning : An investigation has been done in order increase the understanding of the origin and chemical evolution of copper in the Milky Way stellar disks. This is interesting to know as it plays a part of the Galaxy puzzle, so we become more able to map how and why galaxies look like they do. LÄS MER

  5. 5. The impact of turbulence on supernovae shockwaves

    Kandidat-uppsats, Lunds universitet/Astronomi

    Författare :Loke Lönnblad Ohlin; [2018]
    Nyckelord :astrophysics; astronomy; supernovae; shockwaves; interstellar medium; massive stars; turbulence; molecular clouds; Physics and Astronomy;

    Sammanfattning : The momentum and energy injection from supernovae is one of the main feedback modes, and is therefore key to the understanding of galaxy evolution and star formation. However, due to low resolution, large scale galaxy simulations often have issues with accurately modelling supernovae, and therefore rely on sub-grid models. LÄS MER

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