palavras-chave Astronomy and Astrophysics Astrophysics - Cosmology and Nongalactic Astrophysics Cosmology and Nongalactic Astrophysics (astro-ph.CO) FOS: Physical sciences General Relativity and Quantum Cosmology General Relativity and Quantum Cosmology (gr-qc) High Energy Physics - Phenomenology High Energy Physics - Phenomenology (hep-ph) Space and Planetary Science