Space travel; myths and realities
Grappling with Gravity: Unpacking Space Travel Myths and Realities
As we reach further into the cosmos, bold discussions surrounding space travel continue to captivate our curiosity. This article seeks to unpack the swirling galaxy of myths and realities associated with this fascinating subject.
A Universe of Misunderstanding: Common Space Travel Myths
Myth #1: Humans Explode in the Vacuum of Space
A popular trope that finds its origin in many a science fiction film is the belief that humans burst in space due to decreased pressure. However, the reality is quite the contrary. Though the human body would have difficulties with the abrupt change in atmosphere, it would not explode.
Myth #2: The Dark Side of Moon
This saying is a common misnomer - no side of the moon is perpetually dark. Both hemispheres experience periods of sunlight and darkness, similar to the Earth’s day and night.
Myth #3: We Can Travel to Other Galaxies
Despite what popular literature suggests, intergalactic travel remains in the realm of theory. The nearest galaxy, Andromeda, is approximately 2.537 million light years away. Even traveling at the speed of light, this journey is unfathomably long for humans.
Probing the Possibilities: Space Travel Realities
Reality #1: Serious Dangers of Space Debris
Dramatic collisions like those depicted in Hollywood films are perhaps less common. However, debris from old satellites and rockets could harm spacecrafts in real-life situations. This is a very real risk and not a work of fiction.
Reality #2: Physical Consequences
Astronauts experience significant physical changes during space travel, including muscle atrophy and decreased bone density. These realities require rigorous exercise and careful health monitoring for astronauts.
Reality #3: We Are Exploring Mars
Yes, humans are exploring Mars - albeit with robotic rovers and not in the flesh. NASA’s Perseverance rover is the latest to join the team of robots conducting important research on the Red Planet.
FAQs About Space Travel Myths and Realities
Is there sound in Space?
No, space is inherently silent as sound requires a medium, such as air or water, to travel through. Space, being a vacuum, has none of these mediums, hence sound cannot travel.
Is there gravity in Space?
Although gravity lessens as you move away from Earth, it never completely disappears. Hence, astronauts in space stations are not completely free of Earth’s gravitational pull.
Can you see Great Wall of China from Space?
Contrary to popular belief, the Great Wall of China is not visible from space with the naked eye. It is too narrow, and its materials blend in too well with the natural environment.
In the cosmic darkness of myths and realities, let’s always remember - space travel is a final frontier, an endeavor of discovery, and a testament to human curiosity. With every evolving technology and new exploration, we inch closer to the stars.
Article updated at Tuesday, October 8, 2024