Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Supernova> ?p ?o }
- Supernova abstract "A supernova is a stellar explosion that briefly outshines an entire galaxy, radiating as much energy as the Sun or any ordinary star is expected to emit over its entire life span, before fading from view over several weeks or months. The extremely luminous burst of radiation expels much or all of a star's material at a velocity of up to 7007300000000000000♠30,000 km/s (10% of the speed of light), driving a shock wave into the surrounding interstellar medium. This shock wave sweeps up an expanding shell of gas and dust called a supernova remnant. Supernovae are potentially strong galactic sources of gravitational waves. A great proportion of primary cosmic rays comes from supernovae.Supernovae are more energetic than novae. Nova means "new" in Latin, referring to what appears to be a very bright new star shining in the celestial sphere; the prefix "super-" distinguishes supernovae from ordinary novae, which are far less luminous. The word supernova was coined by Walter Baade and Fritz Zwicky in 1931. It is pronounced /ˌsuːpərnoʊvə/ with the plural supernovae /ˌsuːpərnoʊviː/ or supernovas (abbreviated SN, plural SNe after "supernovae").Supernovae can be triggered in one of two ways: by the sudden re-ignition of nuclear fusion in a degenerate star; or by the gravitational collapse of the core of a massive star. In the first case, a degenerate white dwarf may accumulate sufficient material from a companion, either through accretion or via a merger, to raise its core temperature, ignite carbon fusion, and trigger runaway nuclear fusion, completely disrupting the star. In the second case, the core of a massive star may undergo sudden gravitational collapse, releasing gravitational potential energy that can create a supernova explosion.The most recent directly observed supernova in the Milky Way was Kepler's Star of 1604 (SN 1604); remnants of two more recent supernovae have been found retrospectively. Observations in other galaxies indicate that supernovae should occur on average about three times every century in the Milky Way, and that any galactic supernova would almost certainly be observable in modern astronomical equipment. Supernovae play a significant role in enriching the interstellar medium with higher mass elements. Furthermore, the expanding shock waves from supernova explosions can trigger the formation of new stars.".
- Supernova thumbnail SN1994D.jpg?width=300.
- Supernova wikiPageExternalLink snrstext.html.
- Supernova wikiPageExternalLink ?rss+supernova.
- Supernova wikiPageExternalLink RecentSupernovae.html.
- Supernova wikiPageExternalLink 22nova.html.
- Supernova wikiPageExternalLink sncat.
- Supernova wikiPageExternalLink article.cfm?id=how-to-blow-up-a-star.
- Supernova wikiPageID "27680".
- Supernova wikiPageLength "128050".
- Supernova wikiPageOutDegree "344".
- Supernova wikiPageRevisionID "683844211".
- Supernova wikiPageWikiLink Absolute_magnitude.
- Supernova wikiPageWikiLink Absorption_line.
- Supernova wikiPageWikiLink Accelerating_universe.
- Supernova wikiPageWikiLink Accretion_(astrophysics).
- Supernova wikiPageWikiLink Accretion_disc.
- Supernova wikiPageWikiLink Accretion_disk.
- Supernova wikiPageWikiLink Adiabatic_process.
- Supernova wikiPageWikiLink Amateur_astronomy.
- Supernova wikiPageWikiLink American_Physical_Society.
- Supernova wikiPageWikiLink Anchor_Books.
- Supernova wikiPageWikiLink Andromeda_Galaxy.
- Supernova wikiPageWikiLink Andromeda_galaxy.
- Supernova wikiPageWikiLink Antares.
- Supernova wikiPageWikiLink Apparent_magnitude.
- Supernova wikiPageWikiLink Aristotle.
- Supernova wikiPageWikiLink Astronomical_spectroscopy.
- Supernova wikiPageWikiLink Astronomy_in_the_medieval_Islamic_world.
- Supernova wikiPageWikiLink Astrophysical_jet.
- Supernova wikiPageWikiLink Asymptotic_giant_branch.
- Supernova wikiPageWikiLink Atmosphere_of_Earth.
- Supernova wikiPageWikiLink Atomic_mass.
- Supernova wikiPageWikiLink Atomic_nucleus.
- Supernova wikiPageWikiLink Balmer_series.
- Supernova wikiPageWikiLink Beta_decay.
- Supernova wikiPageWikiLink Beta_plus_decay.
- Supernova wikiPageWikiLink Betelgeuse.
- Supernova wikiPageWikiLink Big_Bang.
- Supernova wikiPageWikiLink Binary_star.
- Supernova wikiPageWikiLink Binary_star_system.
- Supernova wikiPageWikiLink Biochemistry.
- Supernova wikiPageWikiLink Biosphere.
- Supernova wikiPageWikiLink Black_hole.
- Supernova wikiPageWikiLink Blue_supergiant.
- Supernova wikiPageWikiLink California_Institute_of_Technology.
- Supernova wikiPageWikiLink Caltech.
- Supernova wikiPageWikiLink Carbon.
- Supernova wikiPageWikiLink Carbon-burning_process.
- Supernova wikiPageWikiLink Carbon_burning_process.
- Supernova wikiPageWikiLink Carbon_detonation.
- Supernova wikiPageWikiLink Cassiopeia_A.
- Supernova wikiPageWikiLink Category:Light_sources.
- Supernova wikiPageWikiLink Category:Space_plasmas.
- Supernova wikiPageWikiLink Category:Standard_candles.
- Supernova wikiPageWikiLink Category:Stellar_evolution.
- Supernova wikiPageWikiLink Category:Stellar_phenomena.
- Supernova wikiPageWikiLink Category:Supernovae.
- Supernova wikiPageWikiLink Celestial_sphere.
- Supernova wikiPageWikiLink Central_Bureau_for_Astronomical_Telegrams.
- Supernova wikiPageWikiLink Chandrasekhar_limit.
- Supernova wikiPageWikiLink Charge-coupled_device.
- Supernova wikiPageWikiLink Chemical_element.
- Supernova wikiPageWikiLink Chemical_reaction.
- Supernova wikiPageWikiLink Chinese_astronomy.
- Supernova wikiPageWikiLink Cobalt.
- Supernova wikiPageWikiLink Cobalt-56.
- Supernova wikiPageWikiLink Compact_star.
- Supernova wikiPageWikiLink Convection.
- Supernova wikiPageWikiLink Cosmic_distance_ladder.
- Supernova wikiPageWikiLink Crab_Nebula.
- Supernova wikiPageWikiLink Degeneracy_pressure.
- Supernova wikiPageWikiLink Degenerate_matter.
- Supernova wikiPageWikiLink Doppler_effect.
- Supernova wikiPageWikiLink Doppler_shift.
- Supernova wikiPageWikiLink Earths_atmosphere.
- Supernova wikiPageWikiLink Electromagnetic_radiation.
- Supernova wikiPageWikiLink Electron_capture.
- Supernova wikiPageWikiLink Electron_degeneracy_pressure.
- Supernova wikiPageWikiLink Electron_neutrino.
- Supernova wikiPageWikiLink Emission_line.
- Supernova wikiPageWikiLink Energy.
- Supernova wikiPageWikiLink Eta_Carinae.
- Supernova wikiPageWikiLink File:Keplers_supernova.jpg.
- Supernova wikiPageWikiLink File:SN1994D.jpg.
- Supernova wikiPageWikiLink Flavour_(particle_physics).
- Supernova wikiPageWikiLink Foe_(unit).
- Supernova wikiPageWikiLink Fritz_Zwicky.
- Supernova wikiPageWikiLink Galaxy.
- Supernova wikiPageWikiLink Galaxy_morphological_classification.
- Supernova wikiPageWikiLink Gamma-ray_burst.
- Supernova wikiPageWikiLink Gamma_Velorum.
- Supernova wikiPageWikiLink Gamma_ray.
- Supernova wikiPageWikiLink Goddard_Space_Flight_Center.
- Supernova wikiPageWikiLink Gravitational_collapse.
- Supernova wikiPageWikiLink Gravitational_energy.
- Supernova wikiPageWikiLink Gravitational_potential_energy.
- Supernova wikiPageWikiLink Gravitational_wave.
- Supernova wikiPageWikiLink Half-life.
- Supernova wikiPageWikiLink Half_life.