You're not so thrilled about the tiny cubicle that is the office you got. It seems a little bit small. But then again, there are windows nearby, at least. And there are two computers waiting for you on the desk. It looks like the last research assistant didn't clean out most of his stuff... That's OK,it could be interesting.

You sit back in your desk and think about the new things you have learned over the past days when figuring out the challenge question. In addition to finding the size of HT Cas, you have learned the following skills and concepts: