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Observational astronomy


Please help improve this article by adding citations to reliable sources. ... For much of the history of observational astronomy, almost all observation was ... an assemblage of powerful telescopes,...

HubbleSite - Hubble Breakthroughs - Cosmology Science


Hubble has shown us some of the universe's earliest galaxies and defined the limits ... So what do we see, when we capture the light from these farthest objects ? ... No telescope before Hubble had the resolution to see these distant galaxies. ... They were taking a risk – most Hubble observations take just hours, and the time ...

Galaxy Hunter:Teacher Page- Scientific Background - Amazing Space


So how do we get from our sample statistic to an estimate of the population parameter? .... help astronomers learn about the history of the universe. ... Observations of distant galaxies show us what the universe looked like at an ... galaxy shapes and colors are important clues to understanding the evolution of the universe.

Hubble's Long Look at Distant Galaxies - Sky & Telescope


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 ...

Why study how galaxies form? - Spaceflight Now


Apr 24, 2003 ... Let's say an alien from some other planet wanted to learn how people on ... The most distant galaxies that the Galaxy Evolution Explorer will see are about 10 ... Not only will it help us understand the cosmic events that shaped the history ... The mission's legacy will also benefit ground-based observations.

Observations | Frontier Fields


Sep 28, 2015 ... When we look at extremely distant galaxies with the magnification of gravitational ... Frontier Fields has also given us a better grasp of the physical size of ... These observations help plan future observations with the Webb ... to to learn much more about how galaxy evolution and galaxy shapes intertwine.

Galaxy Shapes in the Frontier Fields Observations | Frontier Fields


Jun 23, 2015 ... But at the most basic level, we can learn about galaxies by studying their shapes. ... Frontier Fields has also given us a better grasp of the physical size of gravitationally ... These observations help plan future observations with the Webb Space ... A distant galaxy may appear clumpy and distorted, but is its .....

The Kavli Foundation Q&A: Dwarf Galaxies and the Quest for Dark ...


Jul 2, 2015 ... Satellite dwarf galaxies orbiting the Milky Way should help scientists better ... In its inaugural year of observations, the Dark Energy Survey has ... in space and how dwarf galaxies can help us understand the evolution of our universe. ... not only for studying the distant universe, but also for identifying very ....

Spotlight Roundtable: Witnessing Starbursts in Young Galaxies ...


Dr. Vieira is interested in studying galaxy evolution at very high redshifts, the first stars ... Observing very distant galaxies is a way for us to observe the Universe in its ... After making our observations with ALMA, we doubled the number of these ... When we talk about “dusty, star-forming galaxiesdo we mean galaxies that ....

Active Galaxies


What is the most distant object yet observed? ... The spectrum of a BL Lac galaxy is compared to that for a normal galaxy. ... Observations of their spectra show there are virtually no emission or ... Galaxies that do this or do other weird things at radio wavelengths are called Radio ..... You can learn more about this study here.

Helpful Resources

Chapter 21 - Astronomy 103 with Lane at College of Staten Island ...


May 17, 2015 ... 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? ... galaxies of different ages and therefore different stages of evolution.

Final Exam 19-23 - Hill - Astronomy 104 with Hill at University of ...


Apr 28, 2014 ... What kind of objects lie in the disk of our galaxy? .... How do observations of distant galaxies help us learn about galaxy ... Which of the following gives the two main assumptions of theoretical models of galaxy evolution?

Exam 3 Spring 2000 Practice Test 1 - Physics


9) Why do we believe 90% of the mass of the Milky Way is in the form of dark .... 31) How do observations of distant galaxies help us learn about galaxy evolution  ...

Texas Astronomer Discovers Most Distant Known Galaxy | UT News ...


Oct 23, 2013 ... "We want to study very distant galaxies to learn how galaxies change with time, which helps us understand how the ... The more distant astronomers can push their observations, the ... The devil is in the details, however, when it comes to making conclusions about galaxy evolution, Finkelstein points out.

Assembly of Galaxies - NASA JWST - James Webb Space Telescope


NGC 3344 is a glorious spiral galaxy around half the size of the Milky Way. ... Galaxies show us how the matter in the universe is organized on large scales. ... When we look at very distant galaxies, we see a completely different picture. ... is a big open question in astronomy, and JWST will help astronomers to learn more.