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Saturday, November 03, 2007

Space Exploration 3.0 About to Begin

Space exploration is about to enter a third age where nations will cooperate to explore the solar system.

Nicolas Peter, a research fellow at the European Space Policy Institute (ESPI), told the meeting in Vienna that the era of launching space missions to bolster national prestige was long past and that new opportunities for cooperation had emerged since the end of the Cold War. He predicted that an imminent third phase of space exploration could inspire nations to work together in a spirit of discovery.

The Vienna conference Humans in Outer Space – Interdisciplinary Odysseys on October 11-12, was billed as “the first comprehensive trans-disciplinary dialogue on humans in outer space.” It brought space scientists face to face with historians, lawyers, political analysts, philosophers, sociologists, psychologists, anthropologists, writers and others. It was organised jointly by the European Science Foundation (ESF), the European Space Agency (ESA) and the Vienna-based ESPI.

Until recently the humanities had little input into European space policy which has been dominated by political and industrial as well as scientific considerations. The conference is developing the ‘Vienna Vision on Humans in Outer Space’ which will establish a clear voice for a new and broader constituency to contribute to the future of human beings in space.

Peter says there had been two phases of space exploration since the first Sputnik satellite was launched 50 years ago. The first phase, up to the early 1990s, was driven by Cold War rivalry between the US and the former USSR with cooperation extended to political allies of the two principal space powers. The second phase, up to the present, has seen the emphasis shift to scientific and practical applications of space with many new countries developing space programs.

The number of space agencies in the world has been steadily rising since the 1990s and reached 36 in 2005. Bilateral and multilateral agreements between agencies are also growing. The advent of the International Space Station has it made it possible for many countries to take part in long-term, structured programmes of space research.

What Peter describes as “Space Exploration 3.0” is about to begin.

He says that while humans will play a major role in space in future it would no longer be in the context of competing states but in cooperation between many parties. “It will involve industry, universities and other non-governmental organizations. This adventure will be driven primarily by a quest for knowledge, involving not only the hard sciences but arts and humanities as well. We’re evolving towards an open market situation where a lot of new actors will be able to join the new space race.”

The catalyst for the third phase of space exploration, Peter says, was a speech by US President George Bush in January 2004 in which he called on other nations “to share the challenges and opportunities of this new era of discovery.”

Fourteen space agencies – including big players from the US, Russia, China, Japan, India and Europe – agreed a new global exploration strategy last May. It provided for collaboration on robotic and human exploration of the solar system including the Moon, Mars, the asteroids and the moons of the giant planets.

Peter says that cooperation allowed partners to make the best use of resources and to mount missions that would not otherwise be possible. Cooperation lent legitimacy to space projects and made them internationally credible. He points out that internationally agreed projects were also less vulnerable to cancellation through domestic political or financial problems. “So in this context international cooperation is not only seen as a political driver but a building block, a critical enabler for any long-term space activities and in particular, exploration activities.”

He adds that it was important for space to be open to all countries and not just those with the technical means to build and launch spacecraft. He says there was no conflict between exploratory and economic motives for being in space and called for a future of “utilitarian exploration."

Space exploration, he said, could inspire nations to work together for a common purpose. “For anyone who had the chance to witness the first Moon landing, it was certainly something really important to a lot of people and not only in the US,” he says. “However, that was not international cooperation. A global exploration strategy will allow humanity to assemble behind a peaceful goal. Space exploration is mankind’s next grand challenge.”

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Monday, January 29, 2007

NASA Investigates One of Hubble's Science Instruments


NASA engineers are examining a problem related to the Advanced Camera for Surveys (ACS) aboard the agency's Hubble Space Telescope.


On Jan. 27, the observatory entered a protective "safemode" condition at 7:34 a.m. EST. An initial investigation indicates the camera has stopped functioning, and the input power feed to its Side B electronics package has failed, NASA says.


The instrument had been operating on its redundant electronics since June 30, 2006, when NASA engineers transitioned from the primary, Side A, electronics package due to a malfunction. Engineers currently are assessing the option to return ACS science operations to the primary electronics sothat observations could resume in a reduced mode, according to the space agency.


Hubble was recovered from safemode around 2 a.m. EST on Jan. 28, and science observations will resume this week using the remaining Hubble instruments: Wide Field Planetary Camera 2, Near Infrared Camera Multi-Object Spectrograph, and the Fine Guidance Sensors.


In November, the Space Telescope Science Institute in Baltimore selected a set of backup non-ACS science programs for use in case of afuture ACS anomaly. These programs now will be inserted into the science schedule to maintain a highly productive observing program, NASA says.


An Anomaly Review Board was appointed on Jan. 29, to investigate the ACS anomaly. The board will perform a thorough investigation and assessment to decide the best course of action. The board is scheduled to present their findings and recommendations by March 2.


"It is too early to know what influences the ACS anomaly may have on Hubble Space Telescope Servicing Mission-4 planning," says Preston Burch, associate director/program manager for the Hubble Space Telescope. "It is important that the review board conduct a thorough investigation that will allow us to determine if there are any changes needed in the new instruments that will be installed on the upcoming servicing mission sothat we can be sure of maximizing the telescope's scientific output. We arecontinuing to make excellent progress in our preparations for the servicing mission, which is presently targeted to fly in September 2008."


The Advanced Camera for Surveys is a third-generation instrument consisting of three electronic cameras, filters and dispersers that detectlight from the ultraviolet to the near infrared. The instrument was installed during a March 2002, servicing mission. It was developed jointly by NASA's Goddard Space Flight Center, Greenbelt, Md., Johns Hopkins University, Baltimore; Ball Aerospace, Boulder, Colo.; and the Space Telescope Science Institute.



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