UFO's... What do you think?

[sree251]

At least it wasn't 4.3 light years ago....
Who knows what's happened since?

Is light years a measure of distance or time?

 

[MossRoad]

Is light years a measure of distance or time?

Yes.

 

[3 Horse Ranch]

Is light years a measure of distance or time?

And the answer is: Yes it is.

 

[sree251]

And the answer is: Yes it is.

A light-year is a measurement of distance and not time (as the name might imply). A light-year is the distance a beam of light travels in a single Earth year, which equates to approximately 6 trillion miles (9.7 trillion kilometers). (Wikipedia)

 

[3 Horse Ranch]

A light-year is a measurement of distance and not time (as the name might imply). A light-year is the distance a beam of light travels in a single Earth year, which equates to approximately 6 trillion miles (9.7 trillion kilometers). (Wikipedia)

If you travel through space 9.7 trillion kilometers at the speed of light, you have traversed both a distance and a time. I'll stand by my previous answer.

 

[sree251]

If you travel through space 9.7 trillion kilometers at the speed of light, you have traversed both a distance and a time. I'll stand by my previous answer.

You travel through time as well? Time travel?

I don't want to lose a friend debating this.

 

[the old grind]

No time travel, just takes that long for light or radio waves to get there. If we look at something 4.3 light years away we're seeing it 4.3 years ago. It's why we're 'looking into the past' when we observe another galaxy, star, or planet because it's that far away. btw, we're taught that the Sun is ~ 7 'light-minutes' from Earth.

 

[RoyJackson]

You travel through time as well? Time travel?

I don't want to lose a friend debating this.

Don't forget Time Dilation...

Time dilation - Wikipedia

en.wikipedia.org

Is this "Time Travel? That depends on one's frame of reference. The concept is mind-boggling, isn't it?

 

[sree251]

No time travel, just takes that long for light or radio waves to get there. If we look at something 4.3 light years away we're seeing it 4.3 years ago. It's why we're 'looking into the past' when we observe another galaxy, star, or planet because it's that far away. btw, we're taught that the Sun is ~ 7 'light-minutes' from Earth.

So, you follow the science and believe that the Sun you see is always 7 minutes old. And the stars in the night sky are from the years gone by. And even the goddam moon is not in the present? And we evolved from apes.

Give me a rosary. I thought my grandma was crazy. Her beliefs make more sense and serve a practical purpose.

 

[tradosaurus]

Aliens are nothing more than demons which is why people smell sulfur in their hallucinations.