by Ann » Tue Jul 07, 2020 5:53 am
Boomer12k wrote: ↑Mon Jul 06, 2020 10:49 pm
I find it interesting, and a bit puzzling... there are swirls and round edges everywhere...but near the center..."in the pink"... is a VERY straight line... I assume of ionized gas or something...
When everything else is CURVED... why is that so very straight???
Any answer?
Thanks,
:---[===] *
I assume you mean the straight red line in M43 that I have marked with an arrow.
I wish I knew why it is straight. Obviously it has to do with gaseous outflows, feedback, the density of the dust, the relative proportions of gas and dust and different elements, and the onslaught of ultraviolet photons. But what exactly it is that forms this particular straight line, I can't say.
Compare the picture of M43 with the picture of the Orion Nebula and M43. Note the strong straight line in the Orion Nebula. What causes it? Well... gaseous outflows, feedback, the density of the dust, the relative proportions of gas and dust and different elements, and the onslaught of ultraviolet photons?
Note the straight line in M43 in the picture of the Orion Nebula and M43.
Ann
[quote=Boomer12k post_id=303864 time=1594075778 user_id=120851]
I find it interesting, and a bit puzzling... there are swirls and round edges everywhere...but near the center..."in the pink"... is a VERY straight line... I assume of ionized gas or something...
When everything else is CURVED... why is that so very straight???
Any answer?
Thanks,
:---[===] *
[/quote]
[float=left][attachment=1]M43 with straight line and arrow.png[/attachment][/float] [attachment=0]Orion Nebula with straight line and arrow.png[/attachment]
I assume you mean the straight red line in M43 that I have marked with an arrow.
I wish I knew why it is straight. Obviously it has to do with gaseous outflows, feedback, the density of the dust, the relative proportions of gas and dust and different elements, and the onslaught of ultraviolet photons. But what exactly it is that forms this particular straight line, I can't say.
Compare the picture of M43 with the picture of the Orion Nebula and M43. Note the strong straight line in the Orion Nebula. What causes it? Well... gaseous outflows, feedback, the density of the dust, the relative proportions of gas and dust and different elements, and the onslaught of ultraviolet photons?
Note the straight line in M43 in the picture of the Orion Nebula and M43.
Ann