So this DRM is essentially moot if it is true that the DSH has just been cancelled?
Quote from: MATTBLAK on 09/12/2013 10:10 AMPhobos/Deimos is what I wish they were considering!!Patience, grasshopper! We'll need to do some envelope expansion before we go for the 500-900 day Phobos/Deimos missions. But we'll get there.
Phobos/Deimos is what I wish they were considering!!
Quote from: Robotbeat on 09/12/2013 04:11 PMQuote from: MATTBLAK on 09/12/2013 10:10 AMPhobos/Deimos is what I wish they were considering!!Patience, grasshopper! We'll need to do some envelope expansion before we go for the 500-900 day Phobos/Deimos missions. But we'll get there.My (non expert) preference would be that instead of doing a year+ mission in preparation for a two+ year mission, your preparation should consist of an unmanned version of the two+ year mission, while simultaneously performing a full two+ year manned test of the hab much closer to earth. I don't understand the envelop expansion concept. If you are not testing something with the necessary push or lifesupport for the later mission, then you are not testing the exact hardware. If the one+ year mission reveals an issue, I would think it had pretty similar odds of being fatal.. except that it also would not have the redundancy of a previous massive unmanned cargo/survey mission.
By the way, in one of Garver's interviews (which, unfortunately, I can't find now) after the announcement of her departure from NASA, she mentioned that it was the doctors who killed the idea of actually visiting a free-range NEA. (It's a shame this wasn't discussed at the time; I suppose it was embarrassing to the Obama administration.) So I would guess there are some envelope-expanding intermediate steps envisioned.
...and yet Apollo did envelop expansion to an almost silly degree. They did Mercury, then Gemini (gradually longer), then Apollo, demonstrating orbital flight of the capsule, then docking with the LEM and manuevering it in LEO then a flight around the moon, then a flight around the moon and going down in the LEM to near the surface just to come back up, then all the way down for a little bit and right back up before coming back and doing longer missions.
Wrong forum section. You're looking for the lunar section.
It would be kind of embarrassing to launch a year-long $billion+ mission to a NEO "asteroid", only to find out that it was a used-up Saturn SIV-B stage upon arrival.
Proponent, this might be the Lori Garver quote you wanted:"The long-pull intent was for astronauts to go to an asteroid for some hundreds-of-days mission, but the medical community is not prepared to allow astronauts to do that yet."From: Exit Interview: Lori Garver on NASA’s Controversial Plan to Move an Asteroid By Corey S. Powell August 16, 2013At: http://blogs.discovermagazine.com/outthere/2013/08/16/exit-interview-lori-garver-on-nasas-mission-to-move-an-asteroid/#.UjWHk39H5Cy
I still don’t feel this mission is worthy of risking astronauts as I’ve said before. If you want to shake down the spacecraft send it unmanned. If you want a “cool factor”, send Robonaut which will excite the techie- obsessed kids compared to a bunch of “greybeard Astros”...