I believe that the most recent assessment of the age of this supernova remnant, based on an analysis of…
Select :
asteroid collisionasteroidsastronomical distance scalesatomsbig bangblack holesbright lights in the skybrown dwarfcareerscelestial eventschecker cabscometsconstellationscosmic distancescosmic microwave backgroundcosmic rayscosmologydark energydark matterdwarf planeteartheclipseeclipticeducationexoplanetsexpansion of the universegalaxiesgeneral relativitygravitational lensgravity wavesGreat Red SpotHoaxesHubble Space Telescope (HST)Interferometerinterferometryinterstellar moleculesionosphereJupitermagnetarsmarsmeteorsMH370milky wayMilky Way Galaxymoleculesmoonmoonsneutron starneutron starsNibirunight skyparallaxphysicsplanetsplutoproperties of lightPtolemypulsarsquasarsradar astronomyRadio Astronomyradio frequency interferenceradio interferometersradio recombination line emissionRadio TelescopeSatellite DishSchwarzschild Radiusscientific methodsearch for extraterrestrial intelligenceSETIsolar systemspace probesspacecraftstar formationstarssunsupernovasupernova remnantssupernovaetelescopestime dilationTrans Neptunian Objectstwin paradoxunexplained celestial observationsVenusVery Large ArrayVery Long Baseline Array (VLBA)Voyager 1weather


When Does a Neutron Star or Black Hole Form After a Supernova?
A neutron star that is left-over after a supernova is actually a remnant of the massive star which went…

Are Electron Capture Supernovae Similar to Type IIp (Core Collapse) Supernovae?
The following is extracted from the introductory information on electron-capture supernovae (ECSNe) provided in Jones etal. (2016). ECSNe are…

Solar System Formation and Supernovae
In fact, the prevalent theory for the formation of our solar system is that a cloud of gas and…

What Causes a Supernova Explosion?
You can find a nice description of the supernova process on the NASA Space Place. When a massive star…
Do Globular Clusters Merge or Contain Supernova Remnants?
Question: Does globular clusters merge similar to galactic mergers? Why there are no supernova remnants in globular clusters as…