Junk from space? A mysterious three pound metal object crashed through the roof of a Massachusetts warehouse yesterday.
Bad news: Europe has ceased its effort to contact Phobos-Grunt.
Big news: New research on ISS now shows that the standard over-the-counter osteoporosis drugs used by millions on Earth appears to keep astronauts from losing bone density during long space flights.
Beginning in 2009, the group administered the drug to five long-stay astronauts on the International Space Station (ISS), including Koichi Wakata, 48, and Soichi Noguchi, 46. The five took the drug — an over-the-counter bisphosphonate used to treat osteoporosis — once a week starting three weeks before they lifted off until they returned to Earth. The researchers then monitored the astronauts’ bone mass over time and compared the results to those for 14 astronauts that had never taken the drug.
The results showed that the 14 who had never taken the drug had average bone density loss of 7 percent in the femur, and 5 percent in the hip bone. The five astronauts on bisphosphonate, however, only had average bone density loss in the femur of 1 percent, and even a 3 percent increase in the hip bone. Calcium levels in their urine, which rise the more bone mass is lost, were also very low.
If these results hold up, they might very well solve one of the biggest challenges faced by any interplanetary traveler. Up until now, bone loss during long weightless missions never seemed to average less than 0.5 percent per month. After spending three years going to and from Mars, an astronaut could thus lose about almost 20 percent of their bone mass in their weight-bearing bones, and would probably be unable to return to Earth.
Thus, a mission to Mars seemed impossible, unless we could build a ship with some form of artificial gravity, an engineering challenge we don’t yet have the capability to achieve.
If these already tested drugs can eliminate this problem, then the solar system is finally open to us all. All that has to happen now is to do some one to two year manned missions on ISS to test the drugs effectiveness for these long periods of weightlessness.
Some further information on the ongoing flight of the X-37B.
Phobos-Grunt has once again failed to respond to signals transmitted this week in an attempt to raise its orbit.
From Clark Lindsey: An ISS status report has confirmed that NASA has combined the next two Dragon test flights into one mission.
The solar sail Nanosail-D has sailed home, burning up in the atmosphere on September 17.
The flight phase of the mission successfully demonstrated a deorbit capability that could potentially be used to bring down decommissioned satellites and space debris by re-entering and totally burning up in the Earth’s atmosphere. The team continues to analyze the orbital data to determine how future satellites can use this new technology.
The concept being tested appears to use a solar sail as a navigating tool for guiding defunct satellites back into the atmosphere.
An evening pause: Fifty years ago today the United States succeeded for the first time in placing a living animal in orbit, four years after the Soviet’s launched the dog Laika into space. On November 29, 1961 NASA orbited a chimpanzee named Enos as a dress rehearsal for John Glenn’s orbital flight, then scheduled for early in 1962. See this article for some details about Enos difficult flight.
Since the flights of Gagarin, Titov, Shepard, and Grissom earlier in 1961, the 1960s space race had seemed in abeyance as NASA geared up for its first orbital manned mission, while the Soviets were typically silent about their plans. Yet, for those like myself who were alive at that time, the suspense never abated. What would happen next? Could the U.S. beat the Russians to the Moon? Only time would tell.
The landing date of the X-37B has been extended, even as it nears a record mission length.
Russian President Dmitry Medvedev has raised the idea of criminal prosecution for those responsible for his country’s recent space failures.
Curiousity has successfully launched. More updates here.
More commercial space news; SpaceX is expanding its Florida operations in anticipation of a increased launch rate of Falcon 9 and Dragon capsules in the coming years.
Building Boeing’s CST-100 manned capsule, the smart way.
From pressure seals used on the international space station to rendezvous and docking sensors developed for the Pentagon’s Orbital Express experiment, Boeing is drawing heavily on heritage space and aviation programs for its proposed CST-100 commercial human spacecraft.
Cheaper also.
A preview of the new Mars unmanned rover Curiousity, set for launch on Saturday. This is the part of its mission that scares me the most:
The final stages of the entry, descent and landing sequence will be especially tense as the rover, dubbed Curiosity in a student naming contest, is gently lowered to the surface on cables suspended from a rocket-powered “sky crane” making its debut flight. Too large to use airbags like those that cushioned NASA’s Pathfinder, Spirit and Opportunity rovers, Curiosity will rely instead on landing rockets positioned above the rover, avoiding the challenge of coming up with a reliable way to get a one-ton vehicle off of an elevated, possibly tilted lander. Instead, Curiosity will be set down on its six 20-inch-wide wheels, ready to roll.
If it works.
The ESA tracking station that had made contact with Phobos-Grunt earlier this week failed repeatedly yesterday to re-establish contact.
An update on the efforts to save Phobos-Grunt.
“The first pass was successful in that the spacecraft’s radio downlink was commanded to switch on and telemetry was received,” said Wolfgang Hell, ESA’s Service Manager for Phobos–Grunt. Telemetry typically includes information on the status and health of a spacecraft’s systems. “The signals received from Phobos–Grunt were much stronger than those initially received on 22 November, in part due to having better knowledge of the spacecraft’s orbital position.”
The second pass was short, and so was used only to uplink commands – no receipt of signal was expected. However, the following three passes in the early morning of 24 November proved to be more difficult: no signal was received from Phobos–Grunt.
An ESA tracking station has once again contacted Phobos-Grunt, this time downloading telemetry data.
“We have again established contact with the Phobos-Grunt spacecraft, we obtained telemetry reports, they are being analyzed by our colleagues from the Lavochkin Research and Production Association,” ESA spokesman Rene Pischel said.
Training space tourists for their suborbital flight.
In the NASTAR Center’s Observation Lounge, trainees can watch the centrifuge through a large window, as well as see a live video feed of its rider. Meanwhile, Henwood iterates the importance of the correct timing of breaths. “If you’re going to need it, you’re going to want to do it right.” Failing to begin the manoeuvre before the onset of the g’s can result in loss of consciousness.
“You’ll tell me when to breathe?” the first flier of the course says over the intercom to Greg Kennedy, NASTAR Center’s director of educational services and the monitor of participants’ in-flight safety.
“Yes,” Kennedy says. “Are you ready for your flight?”
An ESA tracking station in Australia has made contact with Phobos-Grunt.
It appears that the chances of saving the spacecraft remain slim, though improved.
China attacks! Debris from a satellite that China destroyed in an anti-satellite test in 2007 may force ISS astronauts to take shelter tonight.
Russia is considering shifting its planetary research from Mars to the Moon, following the failure of the Phobos-Grunt mission to Mars.
Russian Soyuz capsule lands safely with three astronauts.
Japanese engineers have re-adjusted the course of their science probe Akatsuki for a second attempt at orbiting Venus in 2015.
Soyuz with three astronauts undocks from ISS.
The case against SpaceX. From one of the company’s biggest supporters.
Trent Waddington raises many good points, all of which must be considered to have a clear, educated sense of where the future stands for American manned spaceflight. Two quotes:
The goal of SpaceX is human spaceflight, and the greatest repository of knowledge about human spaceflight is NASA. As such, it would appear obvious that getting NASA to help you to fly humans safely is a good idea. The way to do that is with Space Act Agreements. This is what SpaceX did under the COTS program, and later under the CCDev program.. and they got paid for the privilege. As a result, the Dragon spacecraft will soon be fully qualified as safe for human habitation on orbit as it will be berthed to the ISS and have astronauts inside it.
The problem is that NASA is a precocious customer. They know what they want, they think they know even better than you do how to make it, and they feel no guilt about changing their mind halfway through the project. As such, Space Act Agreements just totally grind NASA’s gears. They don’t have enough control. [emphasis in original]
NASA money is like heroin.. once they start taking it, most people find it very hard to stop. There’s a dependence that has grown between NASA and SpaceX, and although it is obviously a love-hate relationship, it’s going to be very hard for SpaceX to let go.. but, inevitably, they must. The current needs of NASA are very different to the long term goals of SpaceX.
And this:
Fundamentally, SpaceX has a shoddy business case which is best described as a house of cards.. that they’re still trying to play poker with.. and there’s dogs at the table, and they’re smoking cigars! Yeah, metaphor.
Read the whole thing. It’s quite good.
Shenzhou 8 has returned successfully to Earth after completing its docking and rendezvous mission with China’s first space station.
The Soyuz capsule with three astronauts has successfully docked with ISS.
Voyager 2, 9 billion miles away, has successfully switched to using its backup thrusters in an effort to extend the spacecraft’s life at least another decade.
