Das Galáxias às Grandes Estruturas do Universo

Transcript

1. Das galáxias às grandes estruturas do Universo Sessão de Astronomia - Centro LGBT
2. Sistema Solar
4. Via Láctea
5. E para além?
7. Hubble Ultra-Deep Field 3 de Setembro de 2003 - 16 Janeiro de 2014 Passado de há 13 mil milhões 400 a 600 milhões de anos após Big Bang
10. Lentes Gravitacionais LRG 3-757 Distorção espaço-tempo causada por um objecto de grande massa Previstas por Albert Einstein na Teoria da Relatividade Funcionam como lentes ópticas
11. Esquema de uma Lente Gravitacional
12. Gravitational Lensing KIPAC visualization expert Ralf Kaehler and his colleague astrophysicist Tom Abel joined forces with Carter Emmart, the history museum's director of astrovisualization, and Mordecai-Mark Mac Low, a museum curator and professor at Columbia University. They turned numerical simulations calculated by Abel and then-KIPAC astrophysicist Oliver Hahn into striking scenes. For more, visit http://www.symmetrymagazine.org/article/november-2013/new-planetarium-show-lights-up-the-dark
13. Crab Nebula
14. Estrela de Neutrões
15. Crab Nebula
16. Pulsar Estrelas de Neutrões Campos gravitacionais mil milhões de vezes superiores ao da Terra Funcionam como faróis no espaço
17. NASA | What is a Pulsar? A pulsar is a neutron star that emits beams of radiation that sweep through Earth's line of sight. Like a black hole, it is an endpoint to stellar evolution. The "pulses" of high-energy radiation we see from a pulsar are due to a misalignment of the neutron star's rotation axis and its magnetic axis. Pulsars seem to pulse from our perspective because the rotation of the neutron star causes the beam of radiation generated within the magnetic field to sweep in and out of our line of sight with a regular period, somewhat like the beam of light from a lighthouse. The stream of light is, in reality, continuous, but to a distant observer, it seems to wink on and off at regular intervals. Pulsars are the original gamma-ray astronomy point sources. A few years after the discovery of pulsars by radio astronomers, the Crab and Vela pulsars were detected at gamma-ray energies. Pulsars accelerate particles to tremendous energies in their magnetospheres. These particles are ultimately responsible for the gamma-ray emission seen from pulsars. In this video, gamma rays are shown in magenta. Data from NASA's Fermi Gamma-ray Space Telescope indicate that most of the gamma rays emitted by a pulsar arise from far above the pulsar's surface. This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/vis/a010000/a010800/a010861/index.html Like our videos? Subscribe to NASA's Goddard Shorts HD podcast: http://svs.gsfc.nasa.gov/vis/iTunes/f0004_index.html Or find NASA Goddard Space Flight Center on Facebook: http://www.facebook.com/NASA.GSFC Or find us on Twitter: http://twitter.com/NASAGoddard
18. Magnetar Estrela de Neutrões Campo Magnético com mil milhões Tesla Grande emissão de Raios X e Raios Gama Não são necessariamente brilhantes
19. Buraco Negro
20. Buraco Negro Super Massivo Centaurus A. - NGC 5128 Milhares de Milhões Massas Solares Núcleos Galácticos
21. Quasar - quasi-stellar radio source
22. Fulgrações Raios Gama (GRBs) Maiores eventos eletromagnéticos conhecidos no Universo Desde 10 milisegundos a várias horas Supernova ou Hypernova Detectado inicialmente pelos Satélites Vela que procuravam testes nucleares (1967)
23. Perguntas?
25. E como tudo começou?
27. Obrigad… … e mais viagens nos esperam! Dani Bento danibento@overdestiny.com