apple pie? Jason (moderator): Do you have a question you've been waiting to ask? Go for it! To submit your own question, please type it in the box at the bottom of the window and click the 'Ask' button on the right side of the box. Thanks for your patience as we answer your questions. mkjohnst: We know that there are basically two types of galaxies: eliptical and spiral, and that there is evidence most of these have black holes at their center, correct? Are the black holes at the center of eliptical galaxies different from the black holes at the center of spiral galaxies? Kevin: We definitely think that both spirals and ellipticals have black holes at their centers and that the way they co-evolve may be very different. We found this with the help of the citizen scientists taking part in the Galaxy Zoo project... Something: What are the most exciting black hole-related research projects going on today? And how long did it take your to get time on the Chandra Obsv.? Ezequiel: Well, I'm obviously biased, but I really really want to know how did the first black holes formed. I'm working on that and hope to get the answer soon... It takes a very long time to get time with the Chandra observatory. There are call for proposals only once every year and then only about 1 in 5 gets approved. So, you have to have a very good idea and be a bit lucky to