The Time-Image Gap: Exploring the Age of Distant Galaxies and Bodies

  • Thread starter Eden27
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In summary, the phrase "Is what you see what you get?" refers to the concept of perception and whether or not what we see with our eyes is an accurate representation of reality. It is possible for what we see to not be what we get, as our perception can be influenced by various factors. Scientists study the relationship between perception and reality using methods such as experiments and observations, as well as brain imaging techniques. Our perception can be altered or changed due to our brains' ability to adapt and learn, as well as external factors. The saying "don't judge a book by its cover" relates to this concept by reminding us to look beyond our initial perception and consider other factors before making judgments or assumptions.
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Eden27
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Are the images and data we collect of galaxies and other bodies millions of light years away millions of years old by the time we even take them? For example human sight takes about 50 milliseconds to occur. So there has to be a massive time/image gap between such great distances right?
 
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  • #2
Right!

An image of a galaxy 10 million light years away is showing it as it was ten million years ago.

BTW, welcome to these Forums Eden!

Garth
 
  • #3
Thank you for both an answer and the welcome.
 

1. What does the phrase "Is what you see what you get?" mean?

The phrase "Is what you see what you get?" refers to the concept of perception and whether or not what we see with our eyes is an accurate representation of reality.

2. Is it possible for what you see to not be what you get?

Yes, it is possible for what we see to not be what we get. Our perception can be influenced by various factors, such as illusions, biases, and limitations of our sensory organs.

3. How do scientists study the relationship between perception and reality?

Scientists use various methods, such as experiments and observations, to study the relationship between perception and reality. They also use tools, such as brain imaging techniques, to better understand how our brains process and interpret what we see.

4. Can our perception be altered or changed?

Yes, our perception can be altered or changed. Our brains have the ability to adapt and learn, which can affect how we perceive the world around us. Additionally, external factors, such as drugs or trauma, can also alter our perception.

5. How does the saying "don't judge a book by its cover" relate to "Is what you see what you get?"

The saying "don't judge a book by its cover" is related to the concept of "Is what you see what you get?" because it emphasizes the idea that our initial perception may not always be an accurate representation of reality. It reminds us to look beyond what we see and consider other factors before making judgments or assumptions.

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