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en.wikipedia.org/wiki/Active_galactic_nucleus

An active galactic nucleus (AGN) is a compact region at the center of a galaxy that has a much ... Early photographic observations of nearby galaxies detected some ... and the impact of black hole accretion and quasar activity on galaxy evolution. .... can scatter some of the nuclear emission into our line of sight, allowing us to ...

www.ifa.hawaii.edu/users/shadia/lectures/habbal_astro110-01_spring2009_lecture34.pdf

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.

www.astro.uwo.ca/~basu/teach/ast021/slides/chapter21_small.pdf

Our goals for learning. • How do we observe the life histories of galaxies? • How did galaxies form? How do we observe the life histories of galaxies? Deep observations show us very distant galaxies as they were much earlier in time. ( Old light.

www.skyandtelescope.com/astronomy-news/hubbles-long-look-galaxies-distant-universe-011920152

Jan 19, 2015 ... The Hubble Space Telescope is peering into the distant universe to tell ... Hubble Space Telescope observations are enlightening astronomers about the evolution of ... Our version doesn't do the data justice - click the image for a ... the 3D-HST team homes in on galaxies' hey-day to learn about their ...

public.nrao.edu/news/2017-alma-turbulent-starburst

Aug 30, 2017 ... ALMA observations offer insights into star-forming history of universe ... Paris, France) and appearing in the journal Nature, help explain how galaxies manage ... are huge reservoirs of turbulent gas surrounding distant starburst galaxies. ... “ Our results challenge the theory of galaxy evolution. .... Contact Us.

motherboard.vice.com/en_us/article/gyy83q/the-light-of-a-quasar-revealed-this-distant-galaxys-magnetic-field

Aug 28, 2017 ... We know that celestial bodies like the Sun and the Earth have magnetic ... earlier in a galaxy's evolution than expected—which could one day help us ... Because the light projected by distant galaxies takes billions of years to ... of a magnetic field can, according to Gaensler, help scientists figure out how the ...

blogs.stsci.edu/universe/category/galaxy-evolution

Nov 9, 2016 ... Why did so many astronomers – on the proposal teams and the time ... The Hubble observations allow us measure the past: to observe ... Aside from the lure of seeing the most distant galaxies, there is much to learn from studying statistical ... Spitzer helps to pin down the total stellar masses of the galaxies, ...

www.cfa.harvard.edu/~ejchaisson/cosmic_evolution/docs/text/text_gal_7.html

Whoever does discover strong evolutionary links among the galaxies, akin to ... The fact that astronomers know of no “dead galaxies” doesn't help our ... galactic evolution that can be addressed only by observing galaxies as they were long ago. ... component of motion toward us, meaning that our two giant galactic systems ...

www.britannica.com/science/galaxy/Evolution-of-galaxies-and-quasars

galaxy - Evolution of galaxies and quasars: The study of the origin and evolution ... formation and evolution have been constructed on the basis of what we know about ... background (the observed photons that show us the light-filled universe as it was ... This image, the result of 10 days' observation by the Hubble Space …