14

Tips for Successful Clicker Use, Douglas Duncan
There are a number of key practices that lead to successful clicker use in the classroom. Here’s a summary of best practices, plus a look at what not to do.

16

ASP Posters from Baltimore
Within this issue are five of the 71 posters that were presented at the 2011 ASP Conference in Baltimore. Here’s an excerpt from one of them.

28

New Views of Diverse Worlds, David T. Blewett
MESSENGER at Mercury is revealing numerous fundamental features about the planet that we don’t yet understand. Here’s a first look at some of the results from David Blewett’s talk at the ASP’s Baltimore meeting.

35

Astronomy in the News
More discoveries at Mercury and Vesta, 50 more exoplanets found, and a new story of galactic evolution — these are some of the discoveries that recently made news in the astronomical community.

Departments

4

Editorial, Paul Deans
That First Telescope

5

First Word, James G. Manning
Reaching

7

Echoes of the Past, Katherine Bracher
30 Years Ago: Our Bigger and Better Galaxy

8

Annals of Astronomy, Clifford J. Cunningham
Hevelius at 400

9

Astronomer's Notebook, Jennifer Birriel
Earth Analogs with Oceans

10

Planetary Perspectives, Daniel D. Durda
We Couldn't Have Done It Without You...

11

Armchair Astrophysics, Christopher Wanjek
Seeing Double

12

Education Matters, David Bruning
Leading Them to Water

13

Reaching Out, James Lochner
Connecting in the Twitterverse

40

Society Scope/ASP Supporters
New Board Members

44

Sky Sights, Paul Deans
December's Total Lunar Eclipse

47

Reflections, Paul Deans
Deep-Sky Wonders: A Review