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Galaxies

A Galaxy-studded Universe

A Galaxy-studded Universe This rich tapestry of galaxies represents the deepest portrait of the visible universe. Called the Hubble Ultra Deep Field (HUDF), the image contains as many as 10,000 galaxies of all shapes, sizes, colors, and ages.

Family Space Day Overview - Galaxies

Copyright by the Lunar and Planetary Institute, 2008 LPI Contribution Number 1448 http://www.lpi. usra.edu/education/space_days Family Space Day Overview - Galaxies Family Space Day is a three hour event.

Unit 5 Massive Things: Galaxies, Stars and Black Holes

Unit 5 Massive Things: Galaxies, Stars and Black Holes In the last unit we finished our quick history of the universe. This unit features the most massive things in the cosmos, as well as their formation and role in the history of our universe.

Pre-Lab Galaxy Classification and Evolution

Spiral galaxies are classified by the shape of their nuclei and their arms. Spirals with arms that appear tightly wound are classified as Sa galaxies, ...

Galaxies: Interactions and Mergers

Galaxies: Interactions and Mergers E NCYCLOPEDIA OF A STRONOMY AND A STROPHYSICS Minor mergers and satellite accretion Sofar we have focused on so-called'major mergers'— mergers of two large, roughly equal-mass disk galaxies.

Background Information on Galaxy Classification

GALAXY SORTING by Sally Stephens Background Information on Galaxy Classification In 1924, astronomer Edwin Hubble proved that galaxies are very distant "island universes" -- each one a collection of millions or billions of stars bound together by gravity.

Galaxies: Classification

Galaxies: Classification E NCYCLOPEDIA OF A STRONOMY AND A STROPHYSICS Galaxies: Classification Galaxies are majestically beautiful objects, and anyone who has seen a galaxy througha telescope, or even our own Milky WayGalaxy with the unaided eye, cannot help but wonder at the nature of these ...

Properties of Elliptical Galaxies

Properties of Elliptical Galaxies The first step in investigating the evolution of galaxies is to understand the properties of those galaxies today.

A S T R O N O M Y113 E X A M#3: Covering Chapters26 - 28 V E ...

I n the “unified model” of active galaxies, the main difference between quasars, blazers, and radio galaxies appears to be that A. the mass of the central black hole is different in each case ...

Lecture 24: Galaxies: Classification and Treatment

PHYS 652: Astrophysics 130 24 Lecture 24: Galaxies: Classification and Treatment "Theeffortto understand the Universe is one of the very few things that lifts human lifealittle above the level of farce, and gives it some of the grace of tragedy."