Essays about: "planetary physics"

Showing result 16 - 20 of 42 essays containing the words planetary physics.

1. 16. The Solar System Around a Binary Star

   University essay from Lunds universitet/Astronomi - Genomgår omorganisation

   Author : Jesper Nielsen; [2019]
   Keywords : planetary system stability; binary star; Physics and Astronomy;

   Abstract : 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. READ MORE

3. 17. The astronomical consequences of primordial black holes

   University essay from Lunds universitet/Astronomi - Genomgår omorganisation

   Author : Loke Lönnblad Ohlin; [2019]
   Keywords : Physics and Astronomy;

   Abstract : In the radiation or early matter dominated eras of the Universe, there is a theoretical possibility for the formation of black holes (BHs). These primordial black holes (PBHs) have been thought of as a possible candidate for dark matter (DM), and an attractive one at that as it would explain DM using only baryonic physics. READ MORE

4. 18. Hunting for Planet Nine by its perturbations on the Main Asteroid Belt

   University essay from Lunds universitet/Astronomi - Genomgår omorganisation

   Author : Albin Jonsson; [2019]
   Keywords : Planet Nine; Main Asteroid Belt; Perturbations; evection resonance; libration; Physics and Astronomy;

   Abstract : In recent years, scientists have found unconfirmed evidence for a ninth planet in the solar system at a very wide orbit. The parameters for this planet are poorly constrained. Current estimates mostly come from the effect the planet has on trans-neptunian objects. READ MORE

5. 19. Detailed analysis of the chemical composition of stars harboring Earth-like planets

   University essay from Lunds universitet/Astronomi - Genomgår omorganisation

   Author : Lorena Acuña Aguirre; [2019]
   Keywords : Physics and Astronomy;

   Abstract : Context. The planet-metallicity correlation for gaseous giants is widely accepted through spectroscopic studies. However, whether a similar correlation exists for terrestrial planets is a debated subject. READ MORE

6. 20. The fate of pebbles and planetesimals entering protoplanetary envelopes

   University essay from Lunds universitet/Astronomi - Genomgår omorganisation

   Author : Emil Zadera; [2019]
   Keywords : Planet formation; planet; protoplanet; protoplanetary envelope; protoplanetary atmosphere; protoplanetary growth; planetary growth model; accretion rate; vapour blob; vapourblob; vapour planet; transport of water; water on planet; pebbles; planetesimals; pebble accretion; planetesimal accretion; meteors; ablation; fragmentation; sublimation; protoplanetary disk; MMSN; accretion window; accretion channel; accretion; destruction; disruption; terminal velocity; gas; gasflow; shearingbox; exoplanet; Physics and Astronomy;

   Abstract : Planetary embryos grow by the accretion of solid dust-material, ranging from cm- to m-sized pebbles up to km-sized planetesimals. However, the underlying size-distribution of the accreted material is poorly understood. READ MORE