Zaphod42 · 51-55, M
You cannot leave sight of the shore or you’ll sail off the edge of the world.
*discovers world is round*
You cannot drive faster then 35 miles an hour as you cannot breath at faster speeds.
*invents windshield*
Mankind will never fly.
*invents airplane*
Mankind cannot break the sound barrier.
*invents jet engines and swept wings*
Mankind will never achieve space flight.
*lands on the moon*
History is full of people saying what we’ll never achieve, only for someone to come along and do it 🤷♂
*discovers world is round*
You cannot drive faster then 35 miles an hour as you cannot breath at faster speeds.
*invents windshield*
Mankind will never fly.
*invents airplane*
Mankind cannot break the sound barrier.
*invents jet engines and swept wings*
Mankind will never achieve space flight.
*lands on the moon*
History is full of people saying what we’ll never achieve, only for someone to come along and do it 🤷♂
WormMan · 56-60, M
I tend to agree
Gusman · 61-69, M
True, with the current technology.
But we do not know what awaits mankind in the future.
If we take the Voyager space crafts as a base line, travelling at 37,800 mph, circa 16 billion miles from Earth, 25 billion km, time elapsed is 48 years, 11 months.
The radio signals from Earth currently take 23 hours and 43 minutes to reach the probe.
Who is to say that in the future, someone might find a way to propel and spacecraft at the speed of radio waves, (speed of light)
Early on, pundits said we could not travel at the speed of sound, - 767 mph.
The fastest speed a human has endured is 24,800 mph, 39,937 km/h, aboard the Apollo 10 spacecraft on reentry to Earth in 1969.
Andromeda lies 2.5 million light years from our Milky Way. Realistically, your statement holds true for the foreseeable future.
One light year is circa 5.88 trillion miles, 9.46 trillion km.
But we do not know what awaits mankind in the future.
If we take the Voyager space crafts as a base line, travelling at 37,800 mph, circa 16 billion miles from Earth, 25 billion km, time elapsed is 48 years, 11 months.
The radio signals from Earth currently take 23 hours and 43 minutes to reach the probe.
Who is to say that in the future, someone might find a way to propel and spacecraft at the speed of radio waves, (speed of light)
Early on, pundits said we could not travel at the speed of sound, - 767 mph.
The fastest speed a human has endured is 24,800 mph, 39,937 km/h, aboard the Apollo 10 spacecraft on reentry to Earth in 1969.
Andromeda lies 2.5 million light years from our Milky Way. Realistically, your statement holds true for the foreseeable future.
One light year is circa 5.88 trillion miles, 9.46 trillion km.
exexec · 70-79, C
True, unless somebody discovers the secret to time travel or wormholes.
level1 · 61-69, M
I think the universe puts its own constraints on this, we should look after what we have