Comments on: Young Supernova in Milky Way http://tomsastroblog.com/?p=1535 Astronomy News, Notes and Observations. Wed, 08 Sep 2010 02:17:03 +0000 hourly 1 http://wordpress.org/?v=3.0.1 By: Wanzewurld http://tomsastroblog.com/?p=1535&cpage=1#comment-142950 Wanzewurld Fri, 16 May 2008 22:20:07 +0000 http://tomsastroblog.com/?p=1535#comment-142950 I've written quite a bit (to and for myself) about the speed of light not being constant and therefore time would be variable by the same amount. That said, I watched (and missed quite a bit) of a scientist on one of the Discovery channels who is a proponent of a variable speed of light (VSL) theory and got a bit of vindication for some of my own thoughts. I suppose you could say I'm a philosophical astronomer and it gets sticky in spots. I'm sure dark matter is in there somewhere but so far I've only skirted the edges of the subject. Anyway, thanks again, Tom, for the venue. I'm particularly impressed by the lack of "flaming" in here and it's a welcome change. Apparently your site appeals to a higher class of speculators and observers. One of the things I've become convinced of is there is some form of energy or wave that's ubiquitous and has a velocity that is faster than C. I only hope I live long enough to see it discovered. I’ve written quite a bit (to and for myself) about the speed of light not being constant and therefore time would be variable by the same amount.
That said, I watched (and missed quite a bit) of a scientist on one of the Discovery channels who is a proponent of a variable speed of light (VSL) theory and got a bit of vindication for some of my own thoughts. I suppose you could say I’m a philosophical astronomer and it gets sticky in spots.
I’m sure dark matter is in there somewhere but so far I’ve only skirted the edges of the subject. Anyway, thanks again, Tom, for the venue.
I’m particularly impressed by the lack of “flaming” in here and it’s a welcome change. Apparently your site appeals to a higher class of speculators and observers.
One of the things I’ve become convinced of is there is some form of energy or wave that’s ubiquitous and has a velocity that is faster than C. I only hope I live long enough to see it discovered.

]]> By: Tom http://tomsastroblog.com/?p=1535&cpage=1#comment-142934 Tom Thu, 15 May 2008 22:32:06 +0000 http://tomsastroblog.com/?p=1535#comment-142934 I'm with you Rodney, I wrestled a little with that when I wrote the post. Cassiopeia A is less than half the distance of the one in the post it HAS to be younger by 10,000 years. In other words let's say both Cassiopeia A and G1.9+0.3 happened at the exact same moment; we would have to wait over 10,000 years AFTER we detected Cassiopeia before we'd be able to detect G1.9+0.3. I can agree with "Youngest" if it defined as age when detected, but if we use the typical definition of the word, no. I’m with you Rodney, I wrestled a little with that when I wrote the post. Cassiopeia A is less than half the distance of the one in the post it HAS to be younger by 10,000 years. In other words let’s say both Cassiopeia A and G1.9+0.3 happened at the exact same moment; we would have to wait over 10,000 years AFTER we detected Cassiopeia before we’d be able to detect G1.9+0.3. I can agree with “Youngest” if it defined as age when detected, but if we use the typical definition of the word, no.

]]> By: Stephen http://tomsastroblog.com/?p=1535&cpage=1#comment-142884 Stephen Thu, 15 May 2008 16:54:38 +0000 http://tomsastroblog.com/?p=1535#comment-142884 There are a couple ways to figure out how far it is. It'd be nice if there's a light echo visible in some wavelength. We know how fast light moves. There are a couple ways to figure out how far it is. It’d be nice if there’s a light echo visible in some wavelength. We know how fast light moves.

]]> By: Astronomers Confirm Youngest Supernova Ever Seen « Very Important Stuff http://tomsastroblog.com/?p=1535&cpage=1#comment-142802 Astronomers Confirm Youngest Supernova Ever Seen « Very Important Stuff Thu, 15 May 2008 12:12:50 +0000 http://tomsastroblog.com/?p=1535#comment-142802 [...] Tom’s Astronomy Blog [...] [...] Tom’s Astronomy Blog [...]

]]> By: Rodney Dunning http://tomsastroblog.com/?p=1535&cpage=1#comment-142800 Rodney Dunning Thu, 15 May 2008 11:59:15 +0000 http://tomsastroblog.com/?p=1535#comment-142800 The press release states, "The newly-discovered object is the remnant of an explosion only about 140 years ago." But the explosion certainly didn't occur in 1868, since the former star is 25,000 light years from the Earth. I wonder how many people reading the news reports will be confused about exactly when the explosion occurred. (Unless I'm the one who is confused.) The press release states, “The newly-discovered object is the remnant of an explosion only about 140 years ago.”

But the explosion certainly didn’t occur in 1868, since the former star is 25,000 light years from the Earth. I wonder how many people reading the news reports will be confused about exactly when the explosion occurred. (Unless I’m the one who is confused.)

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