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WR 104 is a Wolf-Rayet star discovered in 1998, located 8,000 light years from Earth. It is a binary star with a class OB companion. The stars have an orbital period of 220 days and the interaction between their stellar winds produce a spiral "pinwheel" outflow pattern over 200 astronomical units long. The spiral is composed of dust that would normally be prevented from forming by WR 104's intense radiation were it not for the star's companion.
Regarding the orientation of the orbit of WR 104... looking at the images, it is very hard to believe the orbit is not face on. The thing really does look like it is pointed right at us. Having said that though, there are several reasons why I am not so sure. First, I have been able to measure velocities for both the WR star and its companion. With those velocities I can calculate the orbit and by extension say something about the orbital inclination if I assume reasonable masses for the stars. Doing that implies the inclination is at least 30 or 40 degrees. I can also use some computer code I have written to model the changing shape of that carbon line. That modeling includes the orbital inclination. I am working hard right now trying to find the smallest inclination which results in reasonable model fits. So far the lowest I can get it is around 30 or 35 degrees.
Originally posted by cheesy
tq so mugh sir for share this bright information..and i would like to ask..
if the wolfeye star explode what the speed of the gama ray spread and reach earth? if there is a planet like jupiter block the ray before reach earth would the earth harm by this ray too? tq2 so much
"Exploded stars do chill the world by making more clouds. Only the most energetic charged particles can travel right down to sea level. These are called muons, or heavy electrons, produced when the cosmic rays hit the atmosphere. In Svensmark's theory the muons help to make clouds low in the air, which cool the world." (pg 5)
"Unlike some of the higher clouds, which can have a warming effect, the clouds less than 3,000 metres above the surface keep the planet cool. When the penetrating cosmic rays are scarcer, and the low clouds become fewer and the Earth grows warmer." (pg 5)
"A scarcity of dark spots on the face of the Sun whch are made by pools of intense magnetism, was one such sign. Reports of auroras, which light the northern skies when the Sun is restless, were also scanty when the when the cosmic rays were making lots of radiocarbon. And most significantly, Bray linked our solar laziness and high cosmic rays with historically advances of glaciers, pushing their cold snouts down many valleys. The advances were most numerous in the 17th and 18th centuries, which straddles the coldest period of the Little Ice Age.” (p 15)
The early start is extra-puzzling because of the solar cycle. Researchers have long known that NLCs tend to peak during solar minimum and bottom-out during solar maximum—a fairly strong anti-correlation. "If anything, we would have expected a later start this year because the solar cycle is near its maximum," Randall says. "So much for expectations."
Originally posted by opethPA
The original post is an example of why I keep coming back to ATS even if it's easy to get frustrated .
Awesome read, thank you.