View slideshow of images above. Watch the Did-You-Know slideshow. Follow wiseGEEK. Did You Know? This Day in History. You might also Like. How Quickly Does the Earth Travel? What Does Outer Space Smell like? What Is Astrochemistry? How do I Become a Space Scientist?
What is Space Tourism? Kennedy promised that by the US would have put men on the moon. NASA firstly sent a robot spaceship called Surveyor 1, to make sure they could safely land.
It reached the moon on 30 th May just after Russian probe Luna 9. This iconic phrase confirmed them as the first men on the moon. The Apollo 11 craft flew them , miles to the moon and back. The rover took Boeing 17 months to design and develop. It was destroyed when a parachute failed.
The first craft to start the Space Shuttle era was called Columbia. All seven astronauts were killed. After this tragedy, all shuttles were grounded for almost three years.
It was built in sections, taking 10 years, with each bit rocket-launched and combined in orbit. After 18 months of harsh training, she joined a Russian mission to the MIR space station.
He spent one week in orbit and of this time he spent most visiting the ISS. Even though in it crashed during testing, flights are still happening. Please leave this field empty. Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website.
These cookies do not store any personal information. It remains unpreventable, although astronauts can reduce its effect by exercising for two hours each day.
There are speculations that long-term space missions are making astronauts infertile. In one experiment, male rats suspended above the floor during a six-week-long experiment, mimicking the weightlessness of outer space, suffered shrunken testes and severely low sperm count, which made them as good as being infertile.
Female rats suffered a similar or even worse fate when they were sent into space. Their ovaries ceased working after just 15 days. By the time they returned to Earth, the gene responsible for producing estrogen the female hormone had become redundant, while the cells that produced eggs were dying. Space travel has also been linked to loss of libido.
In one experiment, two male and five female mice sent into space refused to mate. However, some researchers insist that space travel has nothing to do with libido or infertility. Fish and frog eggs sent into space have fertilized, though the frog offspring never developed past tadpoles. Male astronauts have also impregnated their wives days after returning to Earth. They have also gotten pregnant soon after returning from space missions, although they have a higher rate of miscarriage.
NASA has turned down attempts to get the sperm count of its male astronauts returning from space for privacy reasons. One notable astronaut who experienced space sickness is ex-senator Jake Garn, who started showing symptoms even before leaving Earth. NASA had an oversight in designing the first space suit.
The fastest object ever launched into space is the Voyager 1 probe , and it would take nearly 75, years to make the trip. To have a hope of reaching the closest star in less than a hundred years, we would have to accelerate a starship to nearly 30 million mph. Rockets using nuclear fusion or antimatter propulsion could do the job, but they would have to be developed.
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