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----------------------------- 1936 - Are there rogue Blackholes?
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- Are there rogue Blackholes wandering through our Galaxy? January, 2017, astronomers in Japan believe they have spotted one shooting through the gaseous remnants of a supernova explosion.
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- Called the “Bullet”. It is in supernova remnant W44 some 10,000 lightyears away. They found a tightly packed molecular cloud hurtling through space at 62 miles per second, ( 223,200 miles per hour). And, it was traveling in the reverse direction of the Milky Way’s rotation. The tip of the Bullet was traveling 368,400 miles per hour.
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- The kinetic energy of the Bullet appears many times greater than would be created if it were merely ejected from the supernova.
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- Another theory is the Dark Matter is made up of ‘Weakly interactive massive particles,” called WIMPS, that have yet to be discovered. Of course Dark Matter is 26% of the Universe and Dark Energy is 73%. So, there is a lot to be discovered. The Dark Energy is thought to by the unknown negative pressure that is accelerating the expansion of the Universe.
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- We may have a new tool to make some of these discoveries. Maybe gravitational waves could be used to detect primordial Blackholes. Just last November, 2016, we discovered the first gravitational waves created by two orbiting and merging Blackholes each about 30 Solar Mass.
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- A third theory is the Dark Matter is a different particle called the “neutralino”. That has not yet been discovered either.
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- Maybe Dark Matter is a mixture of all three, Blackholes, WIMPS, and
Neutralinos.
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- Astronomers have discovered about 50 “quasars” that are brilliant hot-gas beacons powered by massive Blackholes, blazing only a billion years after the Big Bang. How did these cosmic Blackholes become conceived and grow so fast within 900 million years of the Big Bang?
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- Maybe these were the result of merging star clusters? Physics puts that as least likely.
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- Maybe these first Blackholes were conceived by supernovae of 100 Solar Mass stars that grew at the center of galaxies consuming other stars to gather mass. However, this scenario is unlikely because it would have taken a lot more time to be completed.
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- Maybe there were gas clouds large enough that they just directly collapsed into a 1,000 Solar Mass Blackhole? Then, again for an enormous series of these events to occur at the same time seems very unlikely.
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- Maybe there were mergers of smaller Blackholes? So far only 150 smaller Blackholes have been discovered. A few dozen that were measured found the smallest to be 50,000 Solar Mass. We would need a lot more “ small” Blackholes to be discovered to help this theory
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- Not all galaxies seem to have massive Blackholes. About half of the galaxies do have massive Blackholes greater than 100,000,000 Solar Mass.
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- Dwarf galaxies appear to be the most promising research to learn how massive Blackholes first formed. Gravitational wave research is the newest promising avenue of study. How did Blackholes first form and what is their evolution that lead to what we “see” today.
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- There is so much that we don’t “see”, stay tuned, an announcement will be made shortly.
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- Note (1): Request any of the Reviews by number to learn more. See Review #1918 that lists several more reviews about Blackholes, these reviews date all the way back to December 2005.
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----- 707-536-3272 ---------------- Thursday, February 16, 2017 -----
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