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Space traveler's eyesight can become blurry after too much time in space. [ 86 ] [ 87 ] Another effect is known as cosmic ray visual phenomena . [a] NASA survey of 300 male and female astronauts, about 23 percent of short-flight and 49 percent of long-flight astronauts said they had experienced problems with both near and distance vision during ...
Illnesses and injuries during space missions are a range of medical conditions and injuries that may occur during space flights. Some of these medical conditions occur due to the changes withstood by the human body during space flight itself , while others are injuries that could have occurred on Earth's surface.
Other psychosocial studies involving astronauts and cosmonauts have been conducted. In one, an analysis of speech patterns as well as subjective attitudes and personal values were measured in both on-orbit space crews and people working in space analog environments. The researchers found that, over time, these isolated groups showed decreases ...
In interplanetary space, however, it is believed that thin aluminium shielding would give a net increase in radiation exposure; thicker shielding would be needed to block the secondary radiation. [35] [36] Studies of space radiation shielding should include tissue- or water-equivalent shielding along with the shielding material under study.
Julius Epstein wrote several papers on "Soviet failures in Space", including allegations of lost cosmonauts, which were read into the Congressional Record in 1965 [31] and 1971. [ 32 ] In 1993, Sun , a U.S. supermarket tabloid , ran a story recounting multiple cosmonaut deaths and ensuing body recovery missions between 1968 and 1988.
Don’t focus on the noise. It’s not worth the mental energy or anguish to fixate on what other competitors — or friends, family members, or neighbors — are doing.
This movement sought to shift the focus of reform from the educational system and process to the student’s educational achievement. Two important features characterized the education reforms of this movement. First, as in other fields of public service provision, a focus on outcomes and results became crucial.
Death anxiety can mean fear of death, fear of dying, fear of being alone, fear of the dying process, etc. [29] Different people experience these fears in differing ways. There continues to be confusion on whether death anxiety is a fear of death itself or a fear of the process of dying. [30]