Eight billion years
ago, the light rays create by distant galaxies started their way towards the
ground. Now, on top of the mountain in Chile, these rays will be fixed with the
help of the most powerful in the world of digital cameras. Among other things,
the light of distant galaxies can help scientists understand the universe still
be expanded and, if so, how concentrated the process.
This is a galaxy news blog. Everybody invited in my blog and please comments your important information about related blog.
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Sunday, October 14, 2012
Astronomers have calculated the ancestors of the Sun
Two astronomers at the
Geneva Observatory, and Georges Mathieu Gunel Maine, recently declare that they
were able to build out what looked like "ancestors" of our sun. As
you know, the birth of stars is in the depth of the gas-dust clouds,
"metals" which are the remains of already dead and exploding stars
that were ejected into interstellar space and the force of the explosion that ultimately
form these same gas and dust clouds.
Astronomical unit has been changed
At the meeting in
Beijing, the International Astronomical Union conference, present her
scientists decided that would make a redefinition of the astronomical unit. One
astronomical unit will continue to be equal to the distance from the Earth to
the Sun, but at the same time, scientists now will be secure the monotonous exact
evaluation. Now assumed the value of one astronomical unit is equal to
149597870700 meters.
Investigated such a supernova in 1604
Ray space telescope
NASA Chandra, began to study the outstanding traces of an antique supernova
explosion, which he observed by Io Gunn Kepler .
For the first time, a
mention about this supernova are dated 1604. When the night sky is a new star
in the place where previously there was none. This event recorded many of the
astronomers of the time, including Johannes Kepler.
Saturday, October 13, 2012
Asteroid 2012 TC4 pass by Earth at a distance of 95,000 km
An asteroid the size of
a house will pass very close to Earth today, as scientists have caution.
However, in spite of the fact that the space is very close, the scientists
insist that there is no risk of collision with our planet.
Asteroid 2012 TC4 held
at a distance of only 95,000 km from the Earth, which is about a quarter of the
distance to the Moon at its maximum proximity to the Earth. This asteroid was
discovered by astronomers October 4. NASA scientists will be watching it from
the lab Jet Propulsion Laboratory in Pasadena, California.
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