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The study of galaxy formation and evolution is concerned with the processes that formed a ... Astronomers now believe that disk galaxies likely formed first, then evolved into ... Observations show that there are stars located outside the disk, which does ... Astronomers do not currently know what process stops the contraction.


Oct 9, 2013 ... Question 9 0.5 out of 0.5 points How do observations of distant galaxies help us learn about galaxy evolution? Selected Answer: Observations ...


Why would this tend to change the spiral galaxy into an elliptical galaxy? ... How do observations of distant galaxies help us learn about galaxy evolution?


How do galaxies evolve? ... Deep observations not only look to great distances, but also look back in time. This means we see distant galaxies as they were when they were .... helping us understanding the galaxy evolution. ... Learning goals.


The most distant blue galaxies in the study tend to be very different, ... such as this will help astronomers better understand the new findings in galaxy evolution. ... This artist's concept by Tim Pyle allows us to imagine what it would be like to stand ..... This observation represents the first time Hubble has witnessed this type of ...


... to observe more and more galaxies at larger and larger distances from us. ... To find young galaxies, what we need to do is identify very distant galaxies. ... The phenomenon of lookback time is crucial to the study of galaxy formation ... Observations suggest that the peak of star formation occurred about 8 billion years ago.


So quasars help us to learn about these sites of galaxy formation. ... Roberto Maiolino's research on galactic evolution draws on observations from many ... his studies primarily of distant galaxies and their role in the evolution of the universe.


Q 4: What is the closest galaxy like our own, and how far away is it? .... Q 14: Why do we study distant galaxies, if they are faint and hard to observe?


May 1, 2013 ... Each of the smaller clouds then formed a galaxy. ... Then galaxies would be drawn into clusters and clusters into ... Also, the galaxy clusters and superclusters should still be in the process of forming---observations suggest this to be ... Note that this is the same process used to study the evolution of stars.


Explain how astronomers use light to learn about distant galaxies long ago; Discuss the ... We do, however, have one remarkable asset in studying galactic evolution. .... of galaxies of each type during each epoch of the universe, it will help us ...