|
| If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. |
|
|||||||
| Register | FAQ | Members List | Calendar | Mark Forums Read |
![]() |
|
|
LinkBack | Thread Tools | Display Modes |
|
||||
|
You hear distances all the time in astronomy. This star is 10 light-years away; that galaxy is 50 million light-years away; that Big Bang over there happened 13.7 billion years ago. ...
Read the full blog entry |
|
|||
|
Thank you for your excellent lessons in astronomy. I particularly enjoyed Measuring Distance in the Universe.
An excellent book on this topic is Measuring the Universe by Stephen Webb. This book covers the various measurement techniques with plain English explanations along with the math. Another excellent resource is provided by Dr. Wendy Freedman, one of the few astronomers who makes compicated astronomical issues comprehensible, here: http://xxx.lanl.gov/abs/astro-ph/0308418 Eric Bier |