06 Galaxies Mc Neely Part 2

Astronomy Topic 06 : Galaxies (part 2) Stephen’s Quintet

Galaxy Classification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hubble Tuning Fork http://www.astro.psu.edu/users/niel/astro1/slideshows/class21/003-hubblefork3.gif

Elliptical Galaxies (E) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

M87-Elliptical ,[object Object],[object Object]

M87’s Jet Kitt Peak image Hubble

M87-CFH Telescope M87’s jet is visible at the 1:00 position

Spiral Galaxies ,[object Object],[object Object],[object Object],[object Object]

Normal Spiral Galaxies (S) ,[object Object],[object Object],[object Object]

M51-Whirlpool Galaxy (Spiral) http://antwrp.gsfc.nasa.gov/apod/image/0207/m51_hallas_big.jpg

Barred-Spiral Galaxies (SB) ,[object Object],[object Object],NGC 1365

M109 http://www.astronomysight.com/as/images/pics/

Irregular Galaxies ,[object Object],[object Object],[object Object],[object Object]

Irregular ,[object Object],[object Object],[object Object]

Galaxy Comparisons http://www.glyphweb.com/esky/_images/diagrams/galaxies.gif Elliptical galaxies, such as M87, are the largest known galaxies

Galaxy Orientation ,[object Object],[object Object],[object Object],NGC 891 (above) is an “edge-on” spiral; M74 (below) is a “face-on” spiral

M77 & NGC 2055 http://antwrp.gsfc.nasa.gov/apod/ap061215.html ,[object Object],[object Object]

Galaxy Summary Table Values Spiral Elliptical Irregular Mass (Milky Way = 1) 0.005 to 2.0 0.000001 to 50.0 0.0005 to 0.15 Diameter (Milky Way = 1) 0.2 to 1.5 0.01 to 5.0 0.05 to 0.25 Luminosity (Milky Way = 1) 0.005 to 10.0 0.00005 to 5.0 0.00005 to 0.1 Star Population Old and Young Old Old and Young Interstellar Matter (gas and dust) Moderate Little Plentiful

Groups of Galaxies ,[object Object],[object Object]

Hercules Galaxy Cluster http://home.earthlink.net/~stanleymm/images/NGC6050sm.jpg

Local Group ,[object Object],[object Object],[object Object],[object Object],[object Object]

Local Group http://www.public.asu.edu/~rjansen/localgroup/NVWS99B_03.gif ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Magellanic Clouds ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Magellanic Clouds LMC, red glows are nebulae in the LMC Clouds from Lake Titicaca, Bolivia http://www.ctio.noao.edu/~mcels/gallery/lmc.1.jpg

Magellanic Clouds & Milky Way http://www.atnf.csiro.au/news/press/images/magellanic_pics/MSsim_labels.jpg

Milky Way & Clouds in infrared from 2MASS http://astsun.astro.virginia.edu/~mfs4n/sgr/2mass_allskyatlas.jpg http://astsun.astro.virginia.edu/~mfs4n/sgr/sgr.flyaround.mpg

Andromeda Galaxy ,[object Object],[object Object],[object Object],[object Object]

Andromeda Galaxy (M31, M32, M110)

Andromeda Constellation Locate M31 and M33

M33 The pink glow of emission nebulas can be seen in this photo

Virgo ,[object Object],[object Object],[object Object],Sombrero Galaxy

Center of Virgo Cluster Virgo Cluster near M84, M86 M86

Sombrero Galaxy (M104) from HST

Sheets and Voids ,[object Object],[object Object],[object Object],[object Object]

Large-Scale Structure of the Universe http://www.astro.princeton.edu/~cen/PROJECTS/p1/DARKallz0.jpeg Sheets & Voids: http://heasarc.nasa.gov/docs/cosmic/sheets_voids.html

Active Galaxies (AGN) ,[object Object],[object Object],[object Object],[object Object]

Galactic Cannibalism ,[object Object],[object Object],NGC 2207 (left) and IC 2163 (HST)

Quasars ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

3C 273-Quasar HST image of 3C 273 showing disk details (quasar blocked) 3C 273 Starfield in Virgo 3C 273 is one of the first identified quasars, it resembles an 11 th magnitude star in Virgo and is visible in small amateur telescopes

06 Galaxies Mc Neely Part 2

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06 Galaxies Mc Neely Part 2