Sentence examples for light spaceflight from inspiring English sources

In the absence of gravity, but the presence of directional light, spaceflight roots remained strongly negatively phototropic and grew in the opposite direction of the shoot growth; however, cultivars WS and Col-0 displayed two distinct, marked differences in their growth patterns.

Preflight circadian adaptation countermeasures revealed that altered lighting schedules during spaceflight caused phase shifts in plasma hormone rhythms; however, changes in basal cortisol levels were a result of alterations in gravity load (Czeisler et al., 1991; Whitson et al., 1995).

Alas, Laika, the mongrel who became the first animal to orbit Earth, died during that mission on 3 November 1957, but such tests continued up to March 1961, when the successful return of the life-size mannequin "Ivan Ivanovich" and a canine crewmate gave Yuri Gagarin the green light for the first manned spaceflight a month later.

Some estimates suggested it would take at least 80,000 years to travel the four light-years there, requiring multi-generation spaceflight and fuel demands that do not bear thinking about.

Irrespective of features inherent to spaceflight, the environmental conditions (lighting, temperature, humidity, CO2) experienced by the two sets of plants were identical.

"By refining multipurpose lights for astronauts safety, health and well-being in spaceflight, the door is opened for new lighting strategies that can be evolved for use on Earth".

These gene expression data are discussed in light of current models for plant responses to the spaceflight environment and with regard to potential future spaceflight experiment opportunities.

These studies will help optimize lighting countermeasures to circadian and sleep disruption during spaceflight.

Remarkably, the initial root growth of both ecotypes in both ground controls and spaceflight plants was straight away from the light for 5 days, and only then did the roots of the WS flight plants begin to show a strong 40o skew to the right, whereas the WS ground controls began to skew only slightly; i.e., 10o to the right.

Fifty years have elapsed since a Soviet cosmonaut, Yuri Gagarin, lit the blue touchpaper on the era of manned spaceflight.

A brief history of manned spaceflightFIFTY years have elapsed since Soviet cosmonaut Yuri Gagarin lit the blue touchpaper on the era of manned spaceflight.