Welcome to Clip from Spiral logo

Interactive video lesson plan for: M105 - Elliptical Galaxy - Deep Sky Videos

Activity overview:

We're discussing two bits of research here - Meghan is discussing the an epic halo of hydrogen and Mike is explaining an apparent lack of dark matter. M105 is also known as NGC 3379.

The NED website discussed here is at http://ned.ipac.caltech.edu/

Info on Mike Merrifield's paper at http://ned.ipac.caltech.edu/cgi-bin/nph-ex_refcode?refcode=2004MNRAS.353L..13M

Some of the work Meghan Gray discusses is at http://adsabs.harvard.edu/abs/1985ApJ...288L..33S and http://adsabs.harvard.edu/abs/1983ApJ...273L...1S

Extra images supplied by Fred Espenak: http://astropixels.com
and the ING http://www.ing.iac.es/PR/science/messier.html

Deep Sky Videos website: http://www.deepskyvideos.com/
Twitter: https://twitter.com/#!/DeepSkyVideos
Facebook: http://www.facebook.com/DeepSkyVideos
Flickr: http://www.flickr.com/photos/68847473@N02/
More about the astronomers in our videos: http://www.deepskyvideos.com/pages/contributors.html

Videos by Brady Haran

Additional video editing by Stephen Slater

Tagged under: M15,halo,dark matter,hydrogen,elliptical galaxy,astronomy,astronomers,messier,space,galaxies,nebula,nebulae,stars,universe,deepsky,deepskyvideos,deep sky,telescope,NGC,3379,NGC3379

Find more lesson plans like this:

0.2 miles in Feet: How-to & Steps

Clip makes it super easy to turn any public video into a formative assessment activity in your classroom.

Add multiple choice quizzes, questions and browse hundreds of approved, video lesson ideas for Clip

Make YouTube one of your teaching aids - Works perfectly with lesson micro-teaching plans

Play this activity

1. Students enter a simple code

2. You play the video

3. The students comment

4. You review and reflect

* Whiteboard required for teacher-paced activities

Share on:

Share M105 - Elliptical Galaxy - Deep Sky Videos on Google+ Share M105 - Elliptical Galaxy - Deep Sky Videos on Twitter Share M105 - Elliptical Galaxy - Deep Sky Videos on Facebook Pin M105 - Elliptical Galaxy - Deep Sky Videos Email M105 - Elliptical Galaxy - Deep Sky Videos

Ready to see what else Spiral logo can do?

With four apps, each designed around existing classroom activities, Spiral gives you the power to do formative assessment with anything you teach.


Carry out a quickfire formative assessment to see what the whole class is thinking


Create interactive presentations to spark creativity in class

Team Up

Student teams can create and share collaborative presentations from linked devices


Turn any public video into a live chat with questions and quizzes

1000s of teachers use Spiral to deliver awesome, engaging activities that capture students' understanding during lessons.

Now it's your turn Sign up

Spiral Reviews by Teachers and Digital Learning Coaches

Review of Spiral by teacher: Kathryn Laster @kklaster

Tried out the canvas response option on @SpiralEducation & it's so awesome! Add text or drawings AND annotate an image! #R10tech

Review of Spiral by teacher: Room 220 Math Stars @3rdgradeBCE

Using @SpiralEducation in class for math review. Student approved! Thumbs up! Thanks.

Review of Spiral by teacher: Miss Ord @ordmiss

Absolutely amazing collaboration from year 10 today. 100% engagement and constant smiles from all #lovetsla #spiral

Review of Spiral by teacher: Adam J. Stryker @strykerstennis

Students show better Interpersonal Writing skills than Speaking via @SpiralEducation Great #data #langchat folks!

Review of Spiral by teacher: Dr Ayla Göl @iladylayla

A good tool for supporting active #learning.

Review of Spiral by teacher: Brett Erenberg @BrettErenberg

The Team Up app is unlike anything I have ever seen. You left NOTHING out! So impressed!

Get the Clip Chrome Extension & Create Video Lessons in Seconds

Add Clip to Chrome