|
|
Thread Tools | Display Modes |
|
#1
|
|||
|
|||
Looking into the past with a telescope
With the JWT, I have read that scientist will be able to see back
closer to the big bang than with any modern telescope; targeting IR. I understand that when we look at a DSO (or any object), that we are looking at the DSO the way it looked at some time(t) in the past. In this respect, we are looking at a snap shot of the past. But what exactly are the astronomers expecting to see? New galaxies not seen before due to their extreme red shift? |
#2
|
|||
|
|||
Looking into the past with a telescope
cantseeboo wrote:
With the JWT, I have read that scientist will be able to see back closer to the big bang . . . . But what exactly are the astronomers expecting to see? New galaxies not seen before due to their extreme red shift? The formation of the first galaxies. - Canopus56 |
#3
|
|||
|
|||
Looking into the past with a telescope
The formation of the first galaxies. - Canopus56 1) Do the astronomers have an idea of where to look, or, are they just going to perform random scanning of the sky? |
#4
|
|||
|
|||
Looking into the past with a telescope
cantseeboo wrote:
The formation of the first galaxies. - Canopus56 1) Do the astronomers have an idea of where to look, or, are they just going to perform random scanning of the sky? They surround us. But it would be a good idea to look somewhere there is little between us and those great distances. A window, of sorts, presumably away from Milky Way and large intervening clusters of galaxies. -- Greg Crinklaw Astronomical Software Developer Cloudcroft, New Mexico, USA (33N, 106W, 2700m) SkyTools: http://www.skyhound.com/cs.html Observing: http://www.skyhound.com/sh/skyhound.html Comets: http://www.skyhound.com/sh/comets.html To reply take out your eye |
#5
|
|||
|
|||
Looking into the past with a telescope
On Jan 25, 5:33 pm, "cantseeboo" wrote: With the JWT, I have read that scientist will be able to see back closer to the big bang than with any modern telescope; targeting IR. I understand that when we look at a DSO (or any object), that we are looking at the DSO the way it looked at some time(t) in the past. In this respect, we are looking at a snap shot of the past. But what exactly are the astronomers expecting to see? New galaxies not seen before due to their extreme red shift? Would you like to be the first to answer this question correctly. You know that our solar system is moving with the rest of the local stars around the Milky Way axis. If you look at an external galaxy,say the Whirlpool galaxy,what would you expect to happen after 1 million years ?.Remember the foreground stars of the Milky Way are orbiting the galactic axis therefore we are moving like a system on a giant carousel. The idea is to develop the feel for cyclical motions and how to use the illusion created by radiation having a finite speed just like Ole Roemer used the orbital cycles of the Earth and Jupiter to determine that light generates an illusion as we look into the celestial arena where all the great cycles exist. |
#6
|
|||
|
|||
Looking into the past with a telescope
Would you like to be the first to answer this question correctly.
You know that our solar system is moving with the rest of the local stars around the Milky Way axis. If you look at an external galaxy,say the Whirlpool galaxy,what would you expect to happen after 1 million years ?.Remember the foreground stars of the Milky Way are orbiting the galactic axis therefore we are moving like a system on a giant carousel. That seems true for indicating the direction to intergalaxy objects with respect to intragalaxy objects, but is that true for indicating direction of intergalaxy objects with respect to other intergalaxy objects? Don't listen to me, I'm tired as old hell from staying up late putting together the NEW XT-12 Intelliscope.... Yeee doggie! Errol pasnola Errol pasnola |
#7
|
|||
|
|||
Looking into the past with a telescope
Starboard wrote: Would you like to be the first to answer this question correctly. You know that our solar system is moving with the rest of the local stars around the Milky Way axis. If you look at an external galaxy,say the Whirlpool galaxy,what would you expect to happen after 1 million years ?.Remember the foreground stars of the Milky Way are orbiting the galactic axis therefore we are moving like a system on a giant carousel. That seems true for indicating the direction to intergalaxy objects with respect to intragalaxy objects, but is that true for indicating direction of intergalaxy objects with respect to other intergalaxy objects? The motion of the local forground Milky Way stars ,including the motion of our system,will cause the the position of the external galaxies to change just as you would see external objects to change their position against other objects on a carousel. Of course you use constellational geometry to describe the position of the external galaxies - http://www.opencourse.info/astronomy...ion_stars_sun/ celestial_sphere_anim.gif Where there should be an exciting astronomical attempt to show how the foreground stars change by using the external positions of the galaxies there is nothing.There are plent of guys looking for 'dark' things and all the other kitch of celestial sphere concepts but none given towards using actual celestial objects and their known motions. There is an added complication based on supernova data and how the effect Ole Romer noticed at the heliocentric level becomes enormous at the level of galactic orbital motion and the position of the external galaxies.Considering I have yet to receive an affirmation of how we see our own heliocentric motion in a forum which cheerfully promotes any recognition of astronomical centers,well.... Don't listen to me, I'm tired as old hell from staying up late putting together the NEW XT-12 Intelliscope.... Yeee doggie! Errol pasnola Errol pasnola |
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Saw it go past...... | Justa Lurker | Space Shuttle | 9 | December 11th 06 01:47 AM |
Keck telescope captures Jupiter's Red Spot Jr. as it zips past planet's Great Red Spot (Forwarded) | Andrew Yee | News | 0 | July 31st 06 02:13 AM |
Blast from the past | Pat Flannery | History | 9 | August 21st 05 01:36 AM |
looking to the past | Mr Jherek Chamaeleo | Misc | 4 | January 6th 04 05:13 AM |
looking into the past??? | download the whole internet | Science | 8 | August 30th 03 11:17 PM |