Another Head Scramble. (1 Viewer)

[Flying Fokker]

What is a light-year? – Exoplanet Exploration: Planets Beyond our Solar System

Light-year is a celestial yardstick, the distance light travels in one year. Light travels at 186,000 miles (300,000 kilometers) per second, 5.88 trillion miles (9.46 trillion kilometers) per hour.

exoplanets.nasa.gov

 

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[Evo1883]

What is a light-year? – Exoplanet Exploration: Planets Beyond our Solar System

Light-year is a celestial yardstick, the distance light travels in one year. Light travels at 186,000 miles (300,000 kilometers) per second, 5.88 trillion miles (9.46 trillion kilometers) per hour.

exoplanets.nasa.gov

Here's something else , alot of the stars you see In the sky you are seeing in the past ,or are no longer there

 

[Evo1883]

 

[Flying Fokker]

View attachment 28806

That actually makes sense. Think g about it. By the time we see things, they’re history. We interpret them as being real time.

 

[skybluetony176]

Here's something else , alot of the stars you see In the sky you are seeing in the past ,or are no longer there

So essentially time travel.

 

[skybluetony176]

I tell you what I did find out and found interesting the other week. The artic and Antarctic circles aren’t fixed, they are constantly moving. Reason being that the earth’s axis isn’t fixed. It constantly pivots by about 4 degrees IIRC, 2 degrees in either direction over hundreds of thousands of years. The circles are basically set by an area that has at least a one day period of 24 hours of total darkness in the winter and 24 hours of daylight in the summer. At the moment the earth is pivoting so that the circles are migrated North. When we get to the end of that pivot we’ll start pivoting back so the circles will start migrating south again.

 

[SkyBlueSoul]

This is an interesting video on light speed

 

[shmmeee]

That actually makes sense. Think g about it. By the time we see things, they’re history. We interpret them as being real time.

I mean technically that’s true of everything you see, it’s just things close to you are only a split second in the past.

 

[Sky_Blue_Dreamer]

Here's something else , alot of the stars you see In the sky you are seeing in the past ,or are no longer there

I've always thought about if you were millions of light years away with an incredibly powerful telescope you'd be able to see dinosaurs roaming about.

Think of the mysteries we could solve if we could do that. Who was Jack the Ripper? Did Jesus actually exist? Where the fuck did I put my keys?

 

[skybluetony176]

Another interesting fact I found out the other week is that the part of planet earth that travels nearest to the sun and moon isn’t Everest despite it being the highest point on the planet. The earth isn’t a perfect sphere, it bulges at the equator so the part of the planet that gets nearest is a volcano in Central America, Tajumulco IIRC.

 

[dutchman]

I tell you what I did find out and found interesting the other week. The artic and Antarctic circles aren’t fixed, they are constantly moving. Reason being that the earth’s axis isn’t fixed.

And also this is the only period in history that the Earth has had TWO polar ice-caps. In fact, except during a so-called "Ice Epoch" like the one we're experiencing now, it doesn't even have one polar ice cap.

 

[richnrg]

I've always thought about if you were millions of light years away with an incredibly powerful telescope you'd be able to see dinosaurs roaming about.

Think of the mysteries we could solve if we could do that. Who was Jack the Ripper? Did Jesus actually exist? Where the fuck did I put my keys?

How would the dinosaurs be able to tell you the answers?