Strange Matter/Quark Star Matter/Strange Star Matter and Stranglets

In summary, the Science Expert is unsure if the two X-ray objects are strange stars or not. They need more observations to be sure.
  • #1
Mk
2,043
4
http://www.wordiq.com/definition/Strange_matter

Hmmm... what do you think? Know anything about it?
 
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  • #2
strange fusion

a strange star would be hotter not cooler than a neutron star due to entropy
 
  • #3
I think this encyclopedia is not intended to scientists. It is intended to a large public, and as such it is precise enough. I also think it has not been written by non-scientists (at least not by experts/specialists) which result in :
1 obviously they copied/past large parts, because they could not write everything by themselves and did not take time to reformulate. Some parts might be in there even though none of the co-authors precisely knows what they mean. Besides, one just has to compare with other encyclopedia to notice suspicious ressemblances.
2 some statements look unprecise :
wordiq said:
a strange star is essentially a single gigantic nucleon.
This is strictly incorrect : when one refers to "nucleon" it is usually in a context where protons and neutrons are (approximatively) related by isospin and one is working at the nuclear scale or smaller. The fact that a neutron star is such a huge object has consequences on the correlations between the constituents. So many of the collected properties of the nucleon do not apply to the neutron star. Besides, once the neutron star is formed, what could be the role of protons ? (and thus what is the use of isospin symmetry ?). But the statement quoted above is correct enough for the non-specialist.
 
  • #4
Casuality, i was just reading about a method of production of strangelets called strangelet distillation. what do you think?
http://www.th.physik.uni-frankfurt.de/~gerland/stoecker/ger/node28.html [Broken]
 
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  • #5
The identification of those two X-ray objects as 'strange stars' is far from secure ... not only is the theory of such stars still rather speculative (the physics of neutron stars surely still has some surprises; the physics of strange stars - if they are possible within existing theories at all - will likely need another decade to get the wrinkles ironed out), but the observations certainly aren't precise enough to require an object too small, hot/cold, and massive to be a neutron star (or black hole).
 
  • #6
What does the "Science Expert" mean, Nereid?
 
  • #7
Mk said:
What does the "Science Expert" mean, Nereid?
This thread - Medals, from Monday this week, may explain it better than I could.
 

1. What is strange matter?

Strange matter is a type of hypothetical matter that is made up of strange quarks, which are a type of elementary particle. It is believed to be the most stable form of matter, and some scientists theorize that it could exist in the core of neutron stars.

2. What is a quark star?

A quark star is a theoretical type of compact star that is composed entirely of quarks. It is believed to form when a neutron star collapses under its own gravity and the pressure is so high that the neutrons break down into their constituent quarks.

3. How are strange stars different from other stars?

Strange stars are different from other stars because they are composed of strange matter, which is made up of strange quarks. These quarks are the building blocks of protons and neutrons, which make up the majority of matter in other stars. Strange stars are also much smaller and denser than other stars.

4. What are stranglets?

Stranglets are hypothetical particles that are composed entirely of strange quarks. They are believed to be the building blocks of strange matter and could potentially be created in high-energy collisions, such as those that occur in particle accelerators.

5. Could strange matter or stranglets be dangerous to Earth?

There is currently no evidence to suggest that strange matter or stranglets pose a danger to Earth. In fact, some scientists believe that if they were to come into contact with normal matter, they would quickly convert back to their stable form, making them harmless. However, further research and experimentation is needed to fully understand the properties of these types of matter.

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