John, I'm disappointed too. Heinlein, Asimov and Clarke really underestimated the energy/fuel costs to get us into space. Perhaps the latest private efforts will have better results. Regards, Bob S.
On Tue, Mar 29, 2011 at 11:24 PM, John Sessoms <[email protected]> wrote: > Still, 50 years after the Wright Brothers commercial aviation had come a lot > farther than commercial spaceflight has 50 years after Gagarin. > > Having grown up on Heinlein, Asimov and Clarke, I'm pretty disappointed by > our progress (or more like lack of). > > From: Walter Hamler > >> Thanks, Bob. I find it amazing that within my lifetime I have seen us >> go from barely flying jets and knowing nothing about the solar system >> other than rudimentary knowledge, to cataloging thousands of planets >> around other stars in our galactic neighborhood. Truly exciting times >> for us all! >> >> Walt >> >> On Tue, Mar 29, 2011 at 3:51 PM, Bob Sullivan <[email protected]> >> wrote: >>>> >>>> Walt, Thanks for the reference. In '67 a close friend was >>>> graduating from MIT in Physics, and heading to grad school in >>>> astronomy at CalTech. ?We talked about other life, and he point >>>> out how inevitable it was given the size of the universe. This >>>> composite photo helps prove the proposition. Regards, ?Bob S. >>>> >>>> On Tue, Mar 29, 2011 at 2:38 PM, Walter Hamler >>>> <[email protected]> wrote: >>>>>> >>>>>> http://apod.nasa.gov/apod/astropix.html >>>>>> >>>>>> >>>>>> This is one to blow your mind. Be sure to click on the links >>>>>> that get you to the high res version so you can see all the >>>>>> smaller planets (like Earth!). If you ever wondered "are we >>>>>> alone in the Universe?", this pic goes a long way toward a >>>>>> possible answer. >>>>>> >>>>>> Walt > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
