Fw: Why do photons move at all? In other words, why do photons move away from their source?

Sent from Yahoo Mail on Android 
 
   ----- Forwarded Message ----- From: "Quora Digest" <[email protected]> To: "[email protected]" <[email protected]> Cc:  Sent: Tue, Oct 1, 2019 at 19:28 Subject: Why do photons move at all? In other words, why do photons move away from their source?  @media screen and (max-width:480px){#yiv0519984303 .yiv0519984303background_inner{padding:0!important;background:#fff!important;}#yiv0519984303 .yiv0519984303container{padding:0 8px 16px!important;}#yiv0519984303 .yiv0519984303footer_container{border-top:1px solid #e2e2e2!important;}#yiv0519984303 .yiv0519984303AnnualThankYouEmail .yiv0519984303background_inner{padding:10px 0!important;}#yiv0519984303 .yiv0519984303polish_background_inner{padding:10px 0!important;}#yiv0519984303 .yiv0519984303polish_header_logo img.yiv0519984303header_logo_img{width:118px!important;min-height:40px!important;}#yiv0519984303 .yiv0519984303polish_header_title{font-size:16px!important;padding-top:0!important;padding-bottom:5px!important;}#yiv0519984303 .yiv0519984303polish_question_text{line-height:1.3!important;}#yiv0519984303 .yiv0519984303polish_story .yiv0519984303voters_list, #yiv0519984303 .yiv0519984303polish_story .yiv0519984303user_link{line-height:1.5!important;}#yiv0519984303 .yiv0519984303polish_story .yiv0519984303truncated_q_text, #yiv0519984303 .yiv0519984303polish_story .yiv0519984303qtext_para{line-height:1.5!important;}#yiv0519984303 .yiv0519984303polish_story .yiv0519984303content_header{padding:6px 0!important;}#yiv0519984303 .yiv0519984303EndOfYearLookbackEmail .yiv0519984303stat_large{font-size:28px!important;}#yiv0519984303 .yiv0519984303EndOfYearLookbackEmail .yiv0519984303content_text{text-align:center!important;}#yiv0519984303 .yiv0519984303EndOfYearLookbackEmail .yiv0519984303half_column{width:100%!important;}#yiv0519984303 .yiv0519984303EndOfYearLookbackEmail .yiv0519984303img_wrapper{margin:10px auto!important;}#yiv0519984303 .yiv0519984303TopicDigestEmail .yiv0519984303topic_digest_header_logo img.yiv0519984303polish_header_logo_img{width:89px!important;min-height:30px!important;}#yiv0519984303 .yiv0519984303TopicDigestEmail .yiv0519984303topic_digest_header_title{font-size:16px!important;padding-top:0!important;padding-bottom:5px!important;}#yiv0519984303 .yiv0519984303WriteDigestEmail .yiv0519984303question_text .yiv0519984303rendered_qtext{font-size:16px!important;}#yiv0519984303 .yiv0519984303email_app_link-content{display:block!important;text-align:center!important;}#yiv0519984303 .yiv0519984303email_app_link-text, #yiv0519984303 .yiv0519984303email_app_link-badges_wrapper{display:block!important;}#yiv0519984303 .yiv0519984303email_app_link-text{padding-bottom:0!important;}#yiv0519984303 .yiv0519984303email_app_link-badges_wrapper{padding-left:10px!important;}}@media screen and (max-width:600px){#yiv0519984303 .yiv0519984303DigestEmail .yiv0519984303mobile_image.yiv0519984303digest_ad{display:table!important;}#yiv0519984303 .yiv0519984303DigestEmail .yiv0519984303desktop_image.yiv0519984303digest_ad{display:none!important;}}
| 
| 
| Answer: Q: Why do photons move at all? In other words, why do photons move awa.​.​.​
|  |
| Nichol's Digest |

 |
| 
| 
| 
| Top Stories For You |


| 
| 
|  |  |

 |
| Why do photons move at all? In other words, why do photons move away from their source? |
| 
| 
|   | 
| Mark John Fernee, 20+ years as a physicist |
| Updated Sep 23, 2018 |

 |

 |
| 
Q: Why do photons move at all? In other words, why do photons move away from their source?

This is a question that actually probes the very fundamental principles of modern physics.

...
 Read More » |

 |

 |


|  |  |  |


| 
| 
|  |  |

 |
| If the universe is 13.6 billion years old, how can we look 46 billion light years in any direction? |
| 
| 
|   | 
| Viktor T. Toth, IT pro, part-time physicist |
| Written Sep 23 |

 |

 |
| 
Actually, the radius of the observable universe is, in fact, 13.8 billion light years in terms of light travel distance. This distance measurement is rarely used, as it has...
 Read More » |

 |

 |


|  |  |  |


|  |  |  |


| 
| 
|  |  |

 |
| Why do people not like switching to LED bulbs? |
| 
| 
|   | 
| Loring Chien, I know about light bulbs as electrical components |
| Updated Sep 18 |

 |

 |
| 
First off, I’m an electrical engineer. I’m all for electronic stuff.

But, here’s what bugs me about LED lighting (And don’t even get me started on CFLs, I guess that’s moot now).

...
 Read More » |

 |

 |


|  |  |  |


| 
| 
|  |  |

 |
| Matter is divided into four states: solid, liquid, gas, and plasma. What state does fire exist in? |
| 
| 
|   | 
| Dave Consiglio, I have been a science teacher and professor for nearly 20 years. |
| Written Aug 11 |

 |

 |
| 
Matter exists in far more than four states. Bose-Einstein condensate, electron degenerate matter, neutron degenerate matter, and many many more.

But, like many things, fire ...
 Read More » |

 |

 |


|  |  |  |


| 
| 
|  |  |

 |
| Why is a visitor allowed to walk over a deceased burial site, for example, Stephen Hawking and Newton in Westminster Abbey? Isn't that not respectful? |
| 
| 
|   | 
| Gill Bullen, Been a Christian for a long time. |
| Written Sep 23 |

 |

 |
| 
You appear currently to be living in London; you previously did your first degree in Southampton. Both of these are cities that have been in existence for a very long time,...
 Read More » |

 |

 |


|  |  |  |


| 
| 
|  |  |

 |
| Why is c in E=mc^2? |
| 
| 
|   | 
| Paddy Alton, PhD in Astrophysics |
| Written Apr 17, 2017 |

 |

 |
| 
An alternative way to look at this is just that we've been using the wrong units. Or at least, not the best ones for relativity. When we say light speed is the universal sp...
 Read More » |

 |

 |


|  |  |  |


| 
| 
|  |  |

 |
| If the Moon is losing energy dragging the oceans around, why is it moving away from Earth instead of falling like any other satellite would? |
| 
| 
|   | 
| Gary Novosielski, retired Physics teacher |
| Updated Jul 15 |

 |

 |
| 
Your thought process is exactly right, it’s your facts that are sketchy.

If the Moon were losing energy dragging the oceans around, it would indeed move into a lower orbit. But it’s not.

...
 Read More » |

 |

 |


|  |  |  |


| 
| 
|  |  |

 |
| How do you know if someone is mature or not? |
| 
| 
|   | 
| Salma Medina, Bachelor's degree English Literature & Translation Question, Kuwait University (... |
| Written Sep 20 |

 |

 |
| 
There are several points that make me think that this person has a high level of maturity.
   
   - You are able to see your flaws and mistakes. Awareness is the first essential step...
 Read More » |

 |

 |


|  |  |  |


| 
| 
|  |  |

 |
| What can be done with a high frequency gravitational wave generator? |
| 
| 
|   | 
| Jonathan Devor, PhD Astronomy, Harvard University (2008) |
| Written Aug 8 |

 |

 |
| 
Let me tell you a secret. Promise not to tell…

The way you generate gravitational waves is by taking something massive, like the large rock pictured below, and moving it back and forth.

...
 Read More » |

 |

 |


|  |  |  |


| 
| 
|  |  |

 |
| If the age of the universe is approximately 14 billion years old and nothing can travel faster than the light, how did the universe, which started 14 billion years ago, could spread up to the radius of approximately 47 billion light years? |
| 
| 
|   | 
| Viktor T. Toth, IT pro, part-time physicist |
| Written Jun 30 |

 |

 |
| 
The principle behind the theory of relativity is that the vacuum speed of light is the same for all observers. That’s all.

In the context of general relativity, this is modi...
 Read More » |

 |

 |

 |

 |   |

 |
| Read More in Your Feed |
| 
| Follow Quora on: |
| Get the App for iOS and Android |

 |

 |
| 
| This email was sent by Quora (650 Castro Street #450, Mountain View, CA 94041). If you don't want to receive this type of email in the future, please unsubscribe.http://www.quora.com/ |

 |

 |

@media (max-width:812px){#yiv0519984303 .yiv0519984303ad_email_background .yiv0519984303ad_table {margin:0;}}@media (max-width:812px){#yiv0519984303 .yiv0519984303ad_email_background .yiv0519984303ad_table {margin:0;}}