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Originally posted by Arken
Something has exploded in the centre of our galaxy and inbound...
Are we entering or crossing the galactic plane? Hope not!
Originally posted by Red73Eng
Agree with both, 1) non existence of blast wave, 2) spreading of particles on a sphere surface with a radius 26,000 lightyears. In few words, no effects in earth. Merry Christmas.
Originally posted by ZeussusZ
how many earth years in a light year?
I know light year is distance and earth years are time. Must be able to work it out though.
Anyone good at math?edit on 19-12-2012 by ZeussusZ because: (no reason given)
from some dude on yahoo-
A light year is distance......not a time..BUT..
366.22 days x circumference of the earth. Then divide one light year by the resulting number (14,676,632.72km)
so
366.22 days x 40,076km = 14,676,632.72km
9,460,730,472,580.8km/14,676,632.72km = 644,611.78
So, 644,611.78 years.
answers.yahoo.com...edit on 19-12-2012 by ZeussusZ because: (no reason given)
Originally posted by ZeussusZ
how many earth years in a light year?
I know light year is distance and earth years are time. Must be able to work it out though.
Originally posted by Bronagh
Originally posted by Arken
Originally posted by Char-Lee
reply to post by Arken
Wouldn't it take a long long time to reach us?
I'm no an astronomer, but if we se now (today) this huge flare in the middle of the galaxy, this means that the explosion is old of several billion years and maybe ir right the angle...
maybe I'm wrong.
If we are 26.000 (roughly) light years away from the middle of the galaxy, and we see a flash from there, then that flash happened 26.000 years ago, not billions.
Source
August 28 - September 2, 1859 - The Storm of 1859 was the first event recorded by humans from a truly global perspective, not to be repeated until the eruption of Krakatoa in 1883 turned the sunsets red and crimson the world-over. Newspapers such as the New York Times were active in running extensive stories about the 1859 solar storm, and collecting reports from other countries. The great geomagnetic storm of 1859 is really composed of two closely spaced massive worldwide auroral events. The first event began on August 28th and the second began on September 2nd. It is the storm on September 2nd that results from the Carrington-Hodgson white light flare that occurred on the sun September 1st. (Drawing by Carrington of flaring sunspot)