2017年12月13日 星期三
NASA Television Updates Broadcast Schedule for Cargo Resupply Mission
December 13, 2017
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ISS Daily Summary Report – 12/12/2017
December 13, 2017 at 12:00AM
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The Fault in Our Mars
Billions Await Their First Human Landing On Another World
Trump signs NASA directive aiming at moon, Mars and beyond, Houston Chronicle
"When people question why the U.S. would return to the moon, Keith Cowing, editor of NASA Watch, a website devoted to space news, has a pretty simple answer: most people alive today have never seen a human walk on another world. "I think my generation should stop being selfish about what we did," said Cowing. "It really is time for the vast majority of the people in the world to have their chance to see this."
Doing Something Again For The First Time, earlier post
"Take a look at the chart below. More than half of the Americans alive today never saw humans walk on the Moon - as it happened - including the person slated to become the next administrator of NASA and the entire 2013 and 2017 astronaut classes. If/when we go back to the Moon in the next 5-10 years this number will increase. For them these future Moon landings will be THEIR FIRST MOON LANDINGS. That's several hundred million Americans waiting to see what I saw in 1969."
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2017年12月12日 星期二
Trump Space Policy Leaves Obama Space Policy Intact Except For Moon/Mars Pivot
Keith's note: As former Obama OSTP official Phil Larson notes, the Space Policy Directive 1 issued on Monday only revises a ver, very small portion of the existing space policy. Since this White House did not change anything else it is reasonable to assume that they agree with the Obama space policy, as written. Of course, these space policies are iterative and you can trace certain themes back through the Obama, Bush 2, Clinton, Bush 1, and Reagan Administrations - and even further.
To be blunt, Monday's event at the White House was a hastily arranged photo op with some spoken words. The document that was signed also represents an indication that whatever space policy the National Space Council will eventually come up with will have its roots firmly planted in what has come before. However, Space Policy Directive 1 is also a course correction - a potentially significant one that pivots NASA from Mars (back) toward the Moon - something that is far more significant than the small number of words used to make the pivot.
So basically what @RealDonaldTrump did yesterday was merely replace two sentences in the 14-page 2010 @BarackObama space policy ... which suggests to me they embraced the rest without amendment including the forward leaning commercial language in it.https://t.co/odtvFBOYOQ
— philliplarson (@philliplarson) December 12, 2017
- National Space Policy of the United States of America, June 28, 2010
- Presidential Memorandum on Reinvigorating America's Human Space Exploration Program, December 11, 2017
"Presidential Policy Directive-4 of June 28, 2010 (National Space Policy), is amended as follows: The paragraph beginning "Set far-reaching exploration milestones" is deleted and replaced with the following: "Lead an innovative and sustainable program of exploration with commercial and international partners to enable human expansion across the solar system and to bring back to Earth new knowledge and opportunities. Beginning with missions beyond low-Earth orbit, the United States will lead the return of humans to the Moon for long-term exploration and utilization, followed by human missions to Mars and other destinations;".
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Moon, Mars, and Beyond 2.0
Trump Policy Promises Moon, Mars, and Beyond - Will This Time Be Different?, Space Policy Online
"Bold goals to continue trips to the Moon and go on to Mars envisioned in the immediate post-Apollo period never gained traction, nor did pronouncements by President George H.W. Bush in 1989 or President George W. Bush in 2004. President George W. Bush's plan to return astronauts to the lunar surface by 2020, called Constellation, was cancelled by Obama after a 2009 independent review concluded that NASA would need $3 billion more per year to implement it. Obama decided to focus instead on the "Journey to Mars" with the goal of putting humans in orbit around Mars in the 2030s, bypassing the lunar surface and saving the billions of dollars required to build a lunar landing system and associated lunar surface systems for habitation and exploration."
President Bush Announces New Vision for Space Exploration Program, earlier post (2004)
"Our second goal is to develop and test a new spacecraft, the Crew Exploration Vehicle, by 2008, and to conduct the first manned mission no later than 2014. The Crew Exploration Vehicle will be capable of ferrying astronauts and scientists to the Space Station after the shuttle is retired. But the main purpose of this spacecraft will be to carry astronauts beyond our orbit to other worlds. This will be the first spacecraft of its kind since the Apollo Command Module. Our third goal is to return to the moon by 2020, as the launching point for missions beyond. Beginning no later than 2008, we will send a series of robotic missions to the lunar surface to research and prepare for future human exploration. Using the Crew Exploration Vehicle, we will undertake extended human missions to the moon as early as 2015, with the goal of living and working there for increasingly extended periods. Eugene Cernan, who is with us today -- the last man to set foot on the lunar surface -- said this as he left: "We leave as we came, and God willing as we shall return, with peace and hope for all mankind." America will make those words come true. (Applause.)"
Keith's note: Gene Cernan stood with George Bush in 2004. Jack Schmitt Stood With Donald Trump in 2017. Not much has changed - except that Apollo 17 has now been the last mission where humans walked on another world for 45 years.
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