0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Why does a type Ia supernova make a better indicator of distance than a type II supernova?
Type Ia supernovae [See Link] follow a characteristic light curve. This luminosity is generated by the radioactive decay of certain elements. The peak luminosity of the light curve was believed to be consistent across Type Ia supernovae as having a maximum absolute magnitude of about -19.3. This would allow them to be used as a secondary "standard candle" [See Link] to measure the distance to their host galaxies
What is a likely progenitor of a type you supernova?
Type "you" supernova do not exist.
What type of supernova will Betelgeuse be?
Betelgeuse will be a Type II Supernova.
Why doesn't a supernova occur on earth?
A supernova can't occur on any planet. A supernova occurs when a very large star, at least 8 times more massive than the sun dies.
How many types of supernova are there?
Supernovas [See Link] are classified according to the absorption lines of different chemical elements that appear in their spectra. The classification can be simplified to Type I or Type II Type II - If a supernova's spectrum contains a line of hydrogen in the visual portion of the spectrum. Type I - all the rest. These are broken down even further. Type:- Ia - When a white dwarf merges with another star. Ib & Ic are formed by massive stars running out of fuel but have lost the outer layer of hydrogen and helium like Wolf-Rayet stars Type II are the "normal" types of supernova, where massive stars can no longer maintain hydrostatic equilibrium and the core collapses IIP Reaches a "plateau" in its light curve IIL Displays a "linear" decrease in its light curve Supernova [See Link] classifications are based on chemical composition.
Where is SN 1572?
SN 1572 or Tycho's Supernova was a supernova type Ia, in the constellation Cassiopeia
When a white dwarf exceeds the Chandrasekhar limit what happens?
It will explode as a type Ia supernova.
If a white dwarf steals another stars hydrogen what happens?
It becomes a Type Ia supernova [See Link]
A powerful explosive that starts with the letters la?
Supernova Ia?
Why does a type Ia supernova make a better indicator of distance than a type II supernova?
Type Ia supernovae [See Link] follow a characteristic light curve. This luminosity is generated by the radioactive decay of certain elements. The peak luminosity of the light curve was believed to be consistent across Type Ia supernovae as having a maximum absolute magnitude of about -19.3. This would allow them to be used as a secondary "standard candle" [See Link] to measure the distance to their host galaxies
What is a likely progenitor of a type you supernova?
Type "you" supernova do not exist.
What type of supernova will Betelgeuse be?
Betelgeuse will be a Type II Supernova.
What are the building blocks of future planets?
Very few stars have a mass above the Chandrasekhar limit of about 1.4 solar masses. Stars accumulate matter from gas clouds and companion stars. Most stars will become white dwarves in time. When their mass reaches the Chandraskhar limit, a type Ia supernova occurs. This generates enough raw materials to create about half a million planets with large iron cores and thick surface oceans. The primary elements produced by a type Ia supernova are oxygen, silicon and iron. In summary, the building blocks of future planets match the composition of type Ia supernova ejecta.
Why doesn't a supernova occur on earth?
A supernova can't occur on any planet. A supernova occurs when a very large star, at least 8 times more massive than the sun dies.
How many types of supernova are there?
Supernovas [See Link] are classified according to the absorption lines of different chemical elements that appear in their spectra. The classification can be simplified to Type I or Type II Type II - If a supernova's spectrum contains a line of hydrogen in the visual portion of the spectrum. Type I - all the rest. These are broken down even further. Type:- Ia - When a white dwarf merges with another star. Ib & Ic are formed by massive stars running out of fuel but have lost the outer layer of hydrogen and helium like Wolf-Rayet stars Type II are the "normal" types of supernova, where massive stars can no longer maintain hydrostatic equilibrium and the core collapses IIP Reaches a "plateau" in its light curve IIL Displays a "linear" decrease in its light curve Supernova [See Link] classifications are based on chemical composition.
Are supernova dangerous to the earth?
A near Earth supernova [See Link] is a supernova that occurs close enough to the Earth (less than 100 light-years away) to have noticeable effects on its biosphere. Gamma rays from a supernova induce a chemical reaction in the upper atmosphere, converting molecular nitrogen into nitrogen oxides, depleting the ozone layer enough to expose the surface to harmful solar and cosmic radiation. This has been proposed as the cause of the Ordovician extinction - [See link], which resulted in the death of nearly 60% of the oceanic life on Earth. Type Ia supernova [See Link] are thought to be potentially the most dangerous if they occur close enough to the Earth. Because these supernova occur from dim, common white dwarf stars, it is likely that a supernova that could affect the Earth will occur unpredictably and take place in a star system that is not well studied. The closest known candidate is IK Pegasi [See Link] Recent estimates predict that a Type II supernova would have to be closer than 26 light-years to destroy half of the Earth's ozone layer.
Is a supernova a type of galaxy?
No. A supernova is a massive explosion, usually from a dying supermassive star.
