Search found 10 matches
- Sat Dec 09, 2006 3:24 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Voynich manuscript discussion: 2005 January 22 - NEW TOPIC
- Replies: 35
- Views: 32549
- Wed Oct 26, 2005 3:07 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Moderatorship or Censorship?
- Replies: 30
- Views: 12642
- Mon Oct 24, 2005 5:13 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Relationship of sizes and distances
- Replies: 12
- Views: 3549
- Fri Oct 21, 2005 8:15 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Relationship of sizes and distances
- Replies: 12
- Views: 3549
Here are the relevant BELIEFS in astronomy, see for eg. http://imagine.gsfc.nasa.gov/YBA/HTCas-size/optical.html http://www.talkorigins.org/faqs/astronomy/distance.html A. Size: Size is proportional to distance. This is bedrock theory, not observational bias. B. Distance 1. Beyond about 26,000 LY (f...
- Wed Oct 19, 2005 3:51 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Relationship of sizes and distances
- Replies: 12
- Views: 3549
- Tue Oct 18, 2005 4:39 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Relationship of sizes and distances
- Replies: 12
- Views: 3549
- Tue Oct 18, 2005 4:14 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Moderatorship or Censorship?
- Replies: 30
- Views: 12642
- Tue Oct 18, 2005 3:16 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Relationship of sizes and distances
- Replies: 12
- Views: 3549
Here are the latest postings of nebulae or galaxies on APOD, in light-years: 1. IC405, 1500, 5, http://antwrp.gsfc.nasa.gov/apod/ap051018.html 2. NGC1350, 85M, 130K, http://antwrp.gsfc.nasa.gov/apod/ap051006.html 3. ARP295, 290M, 250K, http://antwrp.gsfc.nasa.gov/apod/ap051008.html 4. NGC613, 65M, 1...
- Sat Oct 15, 2005 5:02 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: cats eye
- Replies: 33
- Views: 12066
Age of universe
Has any attempt been made to estimated rate of production of the heavier elements and compare that to the known quantities of these present? Eg. how long and how many stars would it take to make the iron and nickel present in the earth's core? How does that compare to the "known" age of th...
- Sat Oct 15, 2005 4:22 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Relationship of sizes and distances
- Replies: 12
- Views: 3549
Relationship of sizes and distances
The distances of all galaxies and nebulae posted at APOD over the years seem to be around 1000 times their diameters (with about 50% variation in diameter) i.e. the further away they are, the more diameter (and mass) they seem to have. Does this not mean a very strange universe, with us located at t...