The scientists are puzzled with two sun phenomena By eye


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http://thewatchers.adorraeli.com/2011/03/06/the-scientists-are-puzzled-with-two-sun-phenomena/

EXCERPT
Over 80% of all solar systems have multiple suns, so is it possible that we live in a binary solar system with two suns as well? Recent discoveries point to the existence of an old brown dwarf. Our solar system is surrounded by a vast collection of icy bodies called the Oort Cloud. If our Sun were part of a binary system in which two gravitationally-bound stars orbit a common center of mass, this interaction could disturb the Oort Cloud on a periodic basis, sending comets whizzing towards us. The Oort Cloud is thought to extend about 1 light year from the Sun. The closest known star to the Sun is Proxima Centauri, located 4.2 light years away

Binary star systems are common in the galaxy. It is estimated that one-third of the stars in the Milky Way are either binary or part of a multiple-star system. Red dwarfs are also common – in fact, astronomers say they are the most common type of star in the galaxy. Brown dwarfs are also thought to be common, but there are only a few hundred known at this time because they are so difficult to see. Red and brown dwarfs are smaller and cooler than our Sun, and do not shine brightly. If red dwarfs can be compared to the red embers of a dying fire, then brown dwarfs would be the smoldering ash. Because they are so dim, it is plausible that the Sun could have a secret companion even though we’ve searched the sky for many years with a variety of instruments.


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http://thewatchers.adorraeli.com/2011/03/06/the-scientists-are-puzzled-with-two-sun-phenomena/


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http://www.khaleejtimes.com/DisplayArticleNew.asp?col=&section=international&xfile=data/international/2011/January/international_January842.xml

The Earth could soon have a second sun, at least for a week or two. The cosmic phenomenon will happen when sun explodes into a supernova in the night sky.

And, according to a report, the most stunning light show in the planet’s history could happen as soon as this year.

Earth will undoubtedly have a front row seat when the dying red super-giant star Betelgeuse finally blows itself into oblivion, the Daily Mail quoting the Australian website news.com.au. reports.

The explosion will be so bright that even though the star in the Orion constellation is 640 light years away, it will still turn night into day and appear like there are two suns in the sky for a few weeks. The only real debate is over exactly when it will happen.

In stellar terms, Betelgeuse is predicted to crash and burn in the near future. But that doesn’t necessarily mean you have to rush out and buy sunglasses.

Brad Carter, Senior Lecturer of Physics at the University of Southern Queensland in Australia, claimed that the galactic blast could happen before 2012 or any time over the next million years.

”This old star is running out of fuel in its centre,” Carter told news.com.au.

”This fuel keeps Betelgeuse shining and supported. When this fuel runs out, the star will literally collapse in upon itself and it will do so very quickly.

4 Responses to “The scientists are puzzled with two sun phenomena By eye”

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