HNRS 227 Lecture #2 Chapters 2 and 3
... When the central temperature of a red giant reaches about 100 million K, helium fusion begins in the core This process, also called the triple alpha process, converts helium to carbon and oxygen ...
... When the central temperature of a red giant reaches about 100 million K, helium fusion begins in the core This process, also called the triple alpha process, converts helium to carbon and oxygen ...
Stars
... Life span of a star depends on its size and mass. – Very large, massive stars burn their fuel much faster than smaller stars – Their main sequence may last only a few hundred thousand years – Smaller stars will live on for billions of years because they burn their fuel much more slowly ...
... Life span of a star depends on its size and mass. – Very large, massive stars burn their fuel much faster than smaller stars – Their main sequence may last only a few hundred thousand years – Smaller stars will live on for billions of years because they burn their fuel much more slowly ...
d 2
... – in order of their apparent brightness – labeled alphabetically in Greek alphabet – Alpha Centauri is the brightest star in constellation ...
... – in order of their apparent brightness – labeled alphabetically in Greek alphabet – Alpha Centauri is the brightest star in constellation ...
Answers
... stars with different starting masses. ☆ Select a different starting mass for your star in the ‘Star Properties’ banner. ☆ Use the Hertzsprung-Russell diagram tab, click play to watch your new stars evolution. ☆ Try out a few different masses then answer the following questions. 1. Using the Hertzspr ...
... stars with different starting masses. ☆ Select a different starting mass for your star in the ‘Star Properties’ banner. ☆ Use the Hertzsprung-Russell diagram tab, click play to watch your new stars evolution. ☆ Try out a few different masses then answer the following questions. 1. Using the Hertzspr ...
Chapter 29: Stars - Mr. Pelton Science
... 1. An opaque object emits a continuous spectrum. 2. An opaque object viewed through a cooler gas will produce an absorption spectrum. 3. A gas viewed against an empty background produces an emission spectrum ...
... 1. An opaque object emits a continuous spectrum. 2. An opaque object viewed through a cooler gas will produce an absorption spectrum. 3. A gas viewed against an empty background produces an emission spectrum ...
Star Track 2 - The Search for a Supermassive Black... Early radio astronomers detected an immensely
... 7. Why do astronomers think this makes SgrA* a black hole, and not some other kind of object? This is about half the mass of the sun per cubic AU – actually much less than the Sun's density. So in principle SgrA* "could" be some other object. However, this density is just a minimum, and we know of m ...
... 7. Why do astronomers think this makes SgrA* a black hole, and not some other kind of object? This is about half the mass of the sun per cubic AU – actually much less than the Sun's density. So in principle SgrA* "could" be some other object. However, this density is just a minimum, and we know of m ...
Stars - Red, Blue, Old, New pt.4
... • From formation on, the evolutionary patterns of stars have depended strongly on mass, and the same goes for the final stages of evolution. • Stars do lose mass as they go from the main sequence through other stages. • Recall that the low mass stars are by far the ...
... • From formation on, the evolutionary patterns of stars have depended strongly on mass, and the same goes for the final stages of evolution. • Stars do lose mass as they go from the main sequence through other stages. • Recall that the low mass stars are by far the ...
The Death of High Mass Stars
... hundred light years across) in our Galaxy (the Interstellar Medium stuff between the stars). The atoms and molecules in these clouds are moving with speeds according to the temperature of the cloud. If the cloud is cold enough, the particles will begin to come together due to the attractive force of ...
... hundred light years across) in our Galaxy (the Interstellar Medium stuff between the stars). The atoms and molecules in these clouds are moving with speeds according to the temperature of the cloud. If the cloud is cold enough, the particles will begin to come together due to the attractive force of ...
Supernovae - Michigan State University
... • fuse slower – once one 12C is made quickly captures more result: lots of a-nuclei (44Ti !!!) ...
... • fuse slower – once one 12C is made quickly captures more result: lots of a-nuclei (44Ti !!!) ...
The Sun and Other Stars
... helium; fusion occurs only in the core, not outer areas. • Our sun contains 8.9 x 1056 hydrogen atoms, and fuses 3.7 x 1038 every second! • This results in 4 million metric tons of matter being converted into energy every second! • Larger stars have higher densities, higher fusion rates, shorter liv ...
... helium; fusion occurs only in the core, not outer areas. • Our sun contains 8.9 x 1056 hydrogen atoms, and fuses 3.7 x 1038 every second! • This results in 4 million metric tons of matter being converted into energy every second! • Larger stars have higher densities, higher fusion rates, shorter liv ...
Document
... describes how Star A would appear compared to Star B? a. Star A would appear more red than Star B. b. Both stars would appear more red than blue. c. Both stars would appear more blue than red. d. Star A would appear more blue than Star B. e. None of the above. ...
... describes how Star A would appear compared to Star B? a. Star A would appear more red than Star B. b. Both stars would appear more red than blue. c. Both stars would appear more blue than red. d. Star A would appear more blue than Star B. e. None of the above. ...
