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Fun Internet Resources and the Galaxy Zoo. Hands-On Activity Resources Astronomical Society of the Pacific:

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Presentation on theme: "Fun Internet Resources and the Galaxy Zoo. Hands-On Activity Resources Astronomical Society of the Pacific:"— Presentation transcript:

1 Fun Internet Resources and the Galaxy Zoo

2 Hands-On Activity Resources Astronomical Society of the Pacific: http://www.astrosociety.org/education/activ ities/handson.html http://www.astrosociety.org/education/activ ities/handson.html Nebraska Astronomy Applet Project (fun online experiments) http://astro.unl.edu/naap/

3 Educational Resources Astronomical Society of the Pacific: http://www.astrosociety.org/education/resources/ resources.html http://www.astrosociety.org/education/resources/ resources.html Ask an Astrophysicist: http://imagine.gsfc.nasa.gov/docs/ask_astro/ask _an_astronomer.html http://imagine.gsfc.nasa.gov/docs/ask_astro/ask _an_astronomer.html NASA Quest challenges (web based interactive projects): http://quest.arc.nasa.gov/http://quest.arc.nasa.gov/ Astronomy Picture of the Day: http://antwrp.gsfc.nasa.gov/apod/ http://antwrp.gsfc.nasa.gov/apod/

4 NASA Educators Page Teaching materials broken down by grade level Fun images Kids’ Club http://www.nasa.gov/audience/foreducator s/index.htmlhttp://www.nasa.gov/audience/foreducator s/index.html

5 Minorities in Science The Faces of Science: African Americans in the Sciences: https://webfiles.uci.edu/mcbrown/display/fa ces.html https://webfiles.uci.edu/mcbrown/display/fa ces.html Minorities in Science: Guide to Reference Resources: http://www.lib.lsu.edu/hum/mlk/srs119.html http://www.lib.lsu.edu/hum/mlk/srs119.html

6 Women in Astronomy A resource guide to prominent women in astronomy in the past and present (requires some legwork): http://www.astrosociety.org/education/reso urces/womenast_bib.html http://www.astrosociety.org/education/reso urces/womenast_bib.html Brief biographies of some prominent female astronomers: http://astro.berkeley.edu/~gmarcy/women/ history.html http://astro.berkeley.edu/~gmarcy/women/ history.html

7 Astronomy vs. Astrology Astronomers do not study horoscopes! Discussing the difference between the two fields can be useful for explaining the scientific method A fun and clear website explaining the difference between astrology and astronomy: http://www.astrosociety.org/education/astr o/act3/astrology.html http://www.astrosociety.org/education/astr o/act3/astrology.html

8 Just for Fun A discussion of misleading science in movies: http://www.badastronomy.com/bad/movies /index.html http://www.badastronomy.com/bad/movies /index.html and tv: http://www.badastronomy.com/bad/tv/inde x.html http://www.badastronomy.com/bad/tv/inde x.html

9 The Galaxy Zoo Over a million galaxies Sloan Digital Sky Survey (SDSS) –2.5m Robotic telescope in New Mexico http://www.galaxyzoo.org/how_to_take_pa rthttp://www.galaxyzoo.org/how_to_take_pa rt Other projects related to SDSS: http://cas.sdss.org/dr5/en/proj/teachers/ http://cas.sdss.org/dr5/en/proj/teachers/ –Range of grade levels

10 The Galaxy Zoo: Science! World’s largest database of galaxy shapes –Shifted astronomer’s assumptions of color and shape Determined that there is no preferred direction for galaxy spirals Bizarre and unexplained objects! –Hanny’s Voorwerp

11 Types of Galaxies Elliptical –E0 (circular) to E7 (flattened) Spiral –Bulge, disk, halo –Ordinary (S) vs. Barred (SB) S0 between E7 and Sa –Have bulge, disk, no spiral structure Irregular

12 Types of Galaxies M87 E1M100 Sc

13 Types of Galaxies NGC 3351 SBb LMC Irregular

14 Classifications Shape –Smooth or with Features? –How Round? –Edge on? –Bulge at center? –Spiral pattern? How tight? Number of Arms? –Bar feature through center of galaxy? –How prominent is the bulge? –Irregularities? Color Direction of Spiral

15 Getting Started http://www.galaxyzoo.org http://www.galaxyzoo.org/how_to_take_part

16 Getting Started

17 Classifications Smooth FeaturesStar or Artifact

18 Classification RoundIn BetweenCigar

19 Classification – Edge On? YES NO YES

20 Classification Rounded Boxy No Bulge

21 Classification – Spiral Pattern? YES NO

22 Classification – Tightly Wound? Tight Medium Loose Medium

23 Classification

24 Classification – Central Bar? Bar No Bar

25 Classification – Bulge Prominence No Bulge Just Noticeable Obvious Dominant

26 Classification – Odd Features Merger Irregular Ring Lens / Arc

27 Experiment and Explore!


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