A Space & astronomy forum. SpaceBanter.com

Go Back   Home » SpaceBanter.com forum » Astronomy and Astrophysics
Site Map Home Authors List Search Today's Posts Mark Forums Read Web Partners

Post New Thread
Threads in Forum : Research Forum Tools Search this Forum Feed Icon
  Thread / Thread Starter Last Post Reverse Sort Order Replies Views
Modelling surface temperatures on Mars by Ryan Pavlick
I am trying to model surface temperatures on Mars. Coming up with insolation received at the various latitudes was fairly simple, the equations are found at...
February 21st 19 07:50 PM
by pyotr filipivich Go to last post
1 3,594
Cosmological Problems by Richard D. Saam
There have been recent cosmological experimental disclosures represented in part by the following: The 7Be(n,p)7Li reaction and the Cosmological Lithium...
(Multi-page thread 1 2)
February 11th 19 08:11 PM
by Edward Prochak Go to last post
14 3,022
What does it mean in astrophysics for X-rays to be reflected? by Thomas Womack
Various articles about black holes talk about X-rays emitted near the event horizon 'reflecting off the accretion disc'. What kind of material is it that can...
February 5th 19 04:50 PM
by Steve Willner Go to last post
3 2,117
LIGO sensitivity compared with the human eye by Jos Bergervoet[_3_]
Recently in another newsgroup (nl.wetenschap) the question came up of LIGO's sensitivity compared to the human eye. a) LIGO can (easily) see a source at one...
February 5th 19 04:50 PM
by Steve Willner Go to last post
4 1,933
Tales of Cataloguing XV -- last fixes in from the cold by Eric Flesch
When fixing catalogue errors one naturally wants to catch them all, but when in so doing you start to encounter new errors caused by your own recent fixes,...
January 29th 19 06:44 AM
by Eric Flesch Go to last post
0 1,983
Tales of Cataloguing XIV -- the 0th finding chart by Eric Flesch
(This and the previous posting are because I've recently found & fixed a few more mis-positioned legacy objects -- there's always more if you look hard enough,...
January 10th 19 06:56 AM
by Eric Flesch Go to last post
0 1,460
Tales of Cataloguing XIII -- the first Hazard by Eric Flesch
On the way to building the Million Quasar catalogue, I had the good fortune of email exchanges with Cyril Hazard, a giant of the early quasar discovery days in...
January 8th 19 06:41 PM
by Eric Flesch Go to last post
0 1,518
library work: where is paper I? by Phillip Helbig (undress to reply)[_2_]
The paper http://adsabs.harvard.edu/abs/1965SvA.....8..854D @ARTICLE { VDashevskiiYZeldovich65a , AUTHOR = "V. M. Dashevskii and...
January 3rd 19 09:36 PM
by Phillip Helbig Go to last post
3 1,545
dark matter hypothesis by No Name
aIs it possible that the missing mass, the 'dark matter', consists of two generations of burned out stars? These would be short lifetimes, hence large...
(Multi-page thread 1 2)
December 11th 18 10:26 PM
by Steve Willner Go to last post
17 2,486
Tales of Cataloguing XII -- resolving a caution by Eric Flesch
The "Tales of Cataloguing" series on this forum were about my trail of data fixes along the way to publishing the "Half Million Quasars Catalogue" (HMQ), 2015...
November 26th 18 06:50 AM
by Eric Flesch Go to last post
0 1,334
Is higher mass-density at higher Z detectable with current probes? by stargene
A question regarding the expansion of the universe: As the Hyperphysics page @ http://hyperphysics.phy-astr.gsu. edu/hbase/Astro/redshf.html shows, the mass...
November 20th 18 08:35 AM
by Phillip Helbig (undress to reply)[_2_] Go to last post
1 1,376
Axion Dark Matter by Steve Willner
Just want to mention today's colloquium on the subject. It's available at https://www.youtube.com/watch?v=UUEEIaVSVlE At least I hope that link will...
November 16th 18 01:29 AM
by Steve Willner Go to last post
0 1,292
Spaceship Oumuamua by jacobnavia
Oumuamua is leaving us at high speed. Humans try to follow it with the VLT, and they report that the thing... is accelerating. Accelerating? When I first...
(Multi-page thread 1 2)
November 9th 18 04:35 AM
by No Name Go to last post
12 2,760
interesting dark-matter candidate by Phillip Helbig (undress to reply)[_2_]
I'm now at a cosmology conference: https://indico.cern.ch/event/736594/overview One reason to go to a conference is to hear about interesting things one...
October 29th 18 05:40 PM
by Phillip Helbig (undress to reply)[_2_] Go to last post
2 1,211
"Universe Not Expanding" by Phillip Helbig (undress to reply)[_2_]
In article , Lawrence Crowell writes: "The scientists carefully...
October 20th 18 09:21 PM
by Phillip Helbig (undress to reply)[_2_] Go to last post
0 1,207
Milliquas v5.4 released by Eric Flesch
The Million Quasars (Milliquas) catalogue presents a new release, v5.4 which includes all published quasars to 15 October 2018. The long-term intent is to...
October 20th 18 11:40 AM
by Eric Flesch Go to last post
0 1,372
IAU: Hubble-Lemaitre Law? by Steve Willner
The IAU is considering recommending that the expansion of the universe be referred to as the "Hubble-Lemaitre Law" instead of the "Hubble Law." More details,...
October 7th 18 03:47 AM
by Phillip Helbig (undress to reply)[_2_] Go to last post
4 1,567
alternative to disposing of old library contents by Phillip Helbig (undress to reply)[_2_]
It seems that some university libraries are in the process of getting rid of journals, books, and so on, at least those which are not available electronically....
September 6th 18 07:27 AM
by Phillip Helbig (undress to reply)[_2_] Go to last post
0 1,431
Missing matter found in the cosmic web by Nicolaas Vroom
The article "Missing matter found in the cosmic web" in Nature of 21 June 2018 (See https://www.nature.com/articles/d41586-018-05432-2) Starts with the...
September 2nd 18 08:00 AM
by Phillip Helbig (undress to reply)[_2_] Go to last post
8 2,147
Physicists Think They've Spotted the Ghosts of Black Holes from Another Universe by Internetado
We're not living in the first universe. There were other universes, full of black holes, in other eons before ours, a group of physicists has said. And we...
August 30th 18 08:28 AM
by Internetado Go to last post
0 1,368
Post New Thread


Display Options
Showing threads 41 to 60 of 1583
Sorted By Sort Order
From The
Forum Tools Search this Forum
Search this Forum :

Advanced Search

New posts New posts More than 15 replies or 150 views Hot thread with new posts
No new posts No new posts More than 15 replies or 150 views Hot thread with no new posts
Closed Thread Thread is closed  
 
Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT +1. The time now is 03:31 PM.


Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright ©2004-2024 SpaceBanter.com.
The comments are property of their posters.