- #1
Chaos' lil bro Order
- 683
- 2
Greetings,
I was an avid amateur cosmologist for a few years, but lost interest 2 years ago. What I recall is a few basics like:
1) Univ is ~13.7 billion years old
2) Univ is accelerating in expansion
3) WMAP measured ~2.75 Kelvin vacuum temp.
4) Space is indeed flat Euclidean geom.
5) Only 4% of Univ mass is ordinary matter
6) Hubble constant ~71km/pc
From memory, those were the most basic aspects of cosmology. My question is if any of these have changed over 2 years and is there any new data that fundamentally changes any of these?
All I've read recently (very little) is that the newest WMAP survey is refining our numbers slightly, but no major revelations have come forth. Fine structure constant is still about what we thought it was, right?
So where oh where are the new discoveries and theorums in cosmology? It was so vibrant 5 years ago and now it seems, to this amateur, to be stagnating in minutia. Refining here, tighter boundaries and limits there, but no new big discoveries...
Am I wrong? Pick me apart.
I was an avid amateur cosmologist for a few years, but lost interest 2 years ago. What I recall is a few basics like:
1) Univ is ~13.7 billion years old
2) Univ is accelerating in expansion
3) WMAP measured ~2.75 Kelvin vacuum temp.
4) Space is indeed flat Euclidean geom.
5) Only 4% of Univ mass is ordinary matter
6) Hubble constant ~71km/pc
From memory, those were the most basic aspects of cosmology. My question is if any of these have changed over 2 years and is there any new data that fundamentally changes any of these?
All I've read recently (very little) is that the newest WMAP survey is refining our numbers slightly, but no major revelations have come forth. Fine structure constant is still about what we thought it was, right?
So where oh where are the new discoveries and theorums in cosmology? It was so vibrant 5 years ago and now it seems, to this amateur, to be stagnating in minutia. Refining here, tighter boundaries and limits there, but no new big discoveries...
Am I wrong? Pick me apart.