Sentences with phrase «long spaceflights»

Not exact matches

Air - recycling systems that can reliably scrub carbon dioxide and provide enough oxygen for humans during a long - duration spaceflight (the flight to Mars takes nine months).

SpaceX and Musk have long pursued reusable rockets to lower the cost of spaceflight.

It may also provide ambitious ventures like SpaceX the opportunity to progress towards longer - term spaceflight goals ---- such as reaching Mars.

With its LightSail project, the Planetary Society aims to take the next step in its decades - long quest to transform spaceflight

Carl Ade, assistant professor of exercise physiology, and collaborators partnered with the Johnson Space Center to find that astronauts» exercise capacity decreases between 30 and 50 percent in long - duration spaceflight because the heart and small blood vessels are not as effective at transporting oxygen to the working muscle.

While the research is key to planning for future long - duration spaceflights, such as journeys to Mars or deep space, it also can help understand blood vessel function in older patients or patients with heart failure.

The NASA - funded research appears in the Journal of Applied Physiology in the publication «Decreases in maximal oxygen uptake following long - duration spaceflight: Role of convective and diffusive O2 transport mechanisms.»

Expertise in bone demineralization, radiation, and psychological issues of long - duration human spaceflight

«I believe that the human spaceflight program is in the long run possibly the most significant activity in which our nation is engaged.»

So even after the Challenger disaster, Feynman's savaging of the program, its long slide into lameness, and its embarrassing hogging of the spaceflight spotlight, why couldn't anyone stand up to the shuttle and admit it was a noble effort that just didn't work out?

NASA's interest was in the psychological lessons that might be gleaned from observing people living in cramped quarters in a hostile environment — conditions similar to long - duration spaceflights.

One of NASA's goals is to minimize the health risks associated with extended spaceflight, so it is critical that methods for preventing and treating spaceflight - induced illnesses be developed before astronauts embark upon long - duration space missions.

The CRaTER observations have validated the models and the ground - based measurements, meaning that lightweight shielding materials could safely be used for long missions, provided their structural properties can be made adequate to withstand the rigors of spaceflight.

«Biofilms were rampant on the Mir space station and continue to be a challenge on the International Space Station, but we still don't really know what role gravity plays in their growth and development,» said Cynthia Collins, Ph.D., principal investigator for the study and assistant professor in the Department of Chemical and Biological Engineering at the Center for Biotechnology and Interdisciplinary Studies at the Rensselaer Polytechnic Institute in Troy, N.Y. «Before we start sending astronauts to Mars or embarking on other long - term spaceflight missions, we need to be as certain as possible that we have eliminated or significantly reduced the risk that biofilms pose to the human crew and their equipment.»

«This research will help prepare astronauts for spaceflight and it improves our understanding of how muscles respond to long periods of inactivity in association with hypoxia.

UCI's Charles Limoli and colleagues found that exposure to highly energetic charged particles — much like those found in the galactic cosmic rays that will bombard astronauts during extended spaceflights — causes significant long - term brain damage in test rodents, resulting in cognitive impairments and dementia.

«We want to get to a point where spaceflight is more like aircraft travel, but we're a long way from that,» Nield concedes.

The effects of long - term spaceflight aren't fully understood even today, but the cosmonaut faced at minimum an increased risk of cancer, cataracts, nasal congestion, muscle atrophy, bone loss, infection and even immune system problems.

His group also works with NASA to build integrated molecular portraits of genomes, epigenomes, transcriptomes, and metagenomes for astronauts, which help establish the molecular foundations and genetic defenses for enabling long - term human spaceflight.

Spaceflight — particularly long - duration spaceflight — is about gambling: computing odds and taSpaceflight — particularly long - duration spaceflight — is about gambling: computing odds and taspaceflight — is about gambling: computing odds and taking risks.

SpaceX and Musk have long pursued reusable rockets to lower the cost of spaceflight.

Britain has a long - standing policy of avoiding any programs of the European Space Agency that involve human spaceflight, focusing its efforts on robotic science missions, earth observation, and the commercial exploitation of space.

Because loss of bone mineral density is known to occur on spaceflight missions, we need more data regarding health effects, including bone health, with long - term use of hormone treatments not just for contraception (as most women use them), but also for the less - common use to suppress menses.»

Its stated purpose is to test and develop new technologies for spaceflight, such as NASA's Space Launch System heavy - lift rocket, its Orion deep - space crew capsule and an advanced solar - electric propulsion engine suitable for long - haul cargo trips.

In a discovery with implications for long - term spaceflight and future missions to Mars, a researcher at the University of Colorado Anschutz Medical Campus has found that mice flown aboard the space shuttle Atlantis returned to Earth with early signs of liver disease.

They found that spaceflight appeared to activate specialized liver cells that may go on to induce scarring and cause long - term damage to the organ.

«Cognitive test battery developed to assess impact of long duration spaceflights on astronauts» brain function.»

With only a couple months left in a four - year - long race, two well - known spaceflight heavy hitters — SpaceX and Boeing — have been joined by a seeming underdog: Sierra Nevada Corp., a 51 - year - old company with spaceflight cred that includes supplying the Virgin Galactic SpaceShipTwo engine.

The invitation - only Pioneering Space National Summit, held in February in Washington, D.C., yielded a declaration that «the long - term goal of the human spaceflight and exploration program of the United States is to expand permanent human presence beyond low - Earth orbit and to do so in a way that will enable human settlement and a thriving space economy.»

These types of experiments are important to NASA as they prepare for long - duration spaceflights, Ochoa said.

This in - flight data provided the information we needed to determine that immune dysregulation does occur and actually persists during long - duration spaceflight.»

But the results of two NASA collaborative investigations — Validation of Procedures for Monitoring Crewmember Immune Function (Integrated Immune) and Clinical Nutrition Assessment of ISS Astronauts, SMO - 016E (Clinical Nutrition Assessment)-- recently published in the Journal of Interferon & Cytokine Research suggest that spaceflight may temporarily alter the immune system of crew members flying long duration missions aboard the International Space Station.

The long - term goal in NASA's human spaceflight program is human trips to Mars during the mid-2030s.

The NRC is the latest in a long series of reports over many decades intended to galvanize support for the next bold leap in human spaceflight.

The team's project was titled «Plant germination during spaceflight to test for adaptability of crops in long term space missions.»

«We'll gain new, detailed insights on the ways long - duration spaceflight affects the human body.»

The article is entitled «Cardiovascular Regulation During Long - Duration Spaceflights to the International Space Station.»

These findings show that lengthy spaceflight indeed affects cardiovascular responses, but not as dramatically as the researchers predicted, suggesting that the intensive exercise routines astronauts on these long missions complete every day are doing their job.

These findings suggest that long - duration spaceflight has significant effects on cardiovascular function, yet these effects are relatively small.

The all - inclusive annual ASE Planetary Congress, held in a different host country each year, has a long history as the premier forum for astronauts and cosmonauts from all spacefaring nations to meet and exchange information about their respective space agencies, human spaceflight operations and future plans for exploration beyond low earth orbit.

«The main problem is that we do not have a clear long - term goal for the national human spaceflight program,» said Mike Gruntman, a professor of astronautics at the University of Southern California, to The Christian Science Monitor.

While seedlings from Plant Gravity Perception will not wind up on astronauts» plates, their studied growth furthers our knowledge of perceptual thresholds and makes selecting appropriate garden greens likely to thrive in space easier for future long duration spaceflight, including exploration missions beyond low - Earth orbit.

Jeffrey Kahn, Professor of Bioethics and Public Policy, Johns Hopkins Berman Institute of Bioethics and Chairman, Committee on the Ethics Principles and Guidelines for Health Standards for Long Duration and Exploration Spaceflights, Board on Health Sciences Policy, National Academies of Sciences, Engineering and Medicine

Three current and former astronauts, including Scott Kelly who just set a new U.S. record for a long duration (340 days) spaceflight, NASA's Chief Medical Officer, and a medical ethicist, testified.

Much of today's discussion focused on the need for the long - term human spaceflight plan required by the bill — a Human Exploration Roadmap.

If you leave the atmosphere, you're totally exposed to all the cosmic rays, and this is a significant hazard for long - duration spaceflight.

Suggest going back and checking your facts on Apollo 13, One way distance and definitely not the longest manned spaceflight in history

And scientists will be see if this unique spaceship will become the prototype for long term interstellar travel.Some scientists believe that such solar sail technology holds the key to long term exploratory spaceflight, according to the Associated Press.The solar sail spacecraft are designed to be propelled by accumulating photons, not solar winds, and though slow - moving at first, would eventually be able to reach tremendous speeds.