踢爆荷蘭人的2024年火星生仔騙局,十萬人報名喎?抑或是NASA太空科技比荷蘭落後?
Debunking the Dutch birth plan on Mars by 2024, a hoax of 100,000 applicants? Or, the space technology of NASA is inferior than the Switch?
NASA表示人類可能在25年內登陸火星
NASA says humans could land on Mars in 25 years
NASA has said that the first human flights to Mars could take place in 25 years, as long as someone comes up with the technology to properly shield astronauts from deadly radiation.
With Mars around 140 million miles from Earth, sending humans there poses difficulties far beyond anything faced by the Apollo missions to the moon. With current rocket technology, Mars is a nine month journey, during which astronauts would be at the mercy of solar radiation and muscle decay from prolonged exposure to zero gravity conditions.
“The cost of solving those means that under current budgets, or slightly expanded budgets, it's going to take about 25 years to solve those,” former astronaut Tom Jones – a veteran of four space shuttle missions – told reporters in Washington DC on Tuesday.
Cutting down on travel time is one way the agency hopes to make Mars missions a reality. Jones said that nuclear propulsion systems could negate the physical hardship of the journey.
“If we start now, in 25 years we might have these technologies available to help us and protect us from these long transit times,” he said.
In the meantime, NASA has been working to perfect technologies that might one day aid a Mars mission. The agency launched the InSight lander in May, a robot spacecraft that will analyze the planet’s relatively unknown exterior, expanding NASA’s knowledge of the planet and its conditions. The lander’s touchdown will be broadcast live on the agency’s website on November 26.
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