View Profile: Copernicus - Cosmoquest Forum

Yesterday, 04:46 AM

Copernicus started a thread proton charge radius in Space/Astronomy Questions and Answers

The proton charge radius is 0.8775 femtometers. Has the charge radius actually been measured for any other elementary whole charged particle,...

1 replies | 38 view(s)

Yesterday, 04:12 AM

Copernicus replied to a thread Baryon matter / dark energy ratio in the mass of universe in Against the Mainstream

I guess theoretically we don't know the charge radius of the proton either because the muon and electron give different results. But anyways, in...

34 replies | 643 view(s)

2013-May-17, 04:12 PM

Copernicus replied to a thread Threats to civilization in Science and Technology

You are right of course. I don't know how hard it would be to engineer a virus, or a dozen different varieties. If someone who knows could answer. ...

28 replies | 362 view(s)

2013-May-17, 03:03 PM

Copernicus replied to a thread Threats to civilization in Science and Technology

The flu seems to do a pretty good job of traveling around the world.

28 replies | 362 view(s)

2013-May-17, 04:41 AM

Copernicus replied to a thread Threats to civilization in Science and Technology

What is to stop a mad microbioligist from inventing a virus that will wipe out most of humans? I can't see stopping this!

28 replies | 362 view(s)

2013-May-15, 02:16 PM

Copernicus replied to a thread Threats to civilization in Science and Technology

I wouldn't say microbes couldn't destroy civilization. I've seen almost every single tree of some tree species destroyed y microbes. American Elm,...

28 replies | 362 view(s)

2013-May-14, 06:59 PM

Copernicus started a thread Threats to civilization in Science and Technology

Was wondering if someone had categorized real threats to civilization? I have a hard time believing global warming or meteorites are in even the...

28 replies | 362 view(s)

2013-May-11, 02:05 AM

SRH replied to a thread Measuring the Gravitational Constant in Astronomy

I have a question... When we move from Newtonian gravity to GR, aren't we essentially converting the m to e/C^2, and using the tensor math to...

126 replies | 2270 view(s)

2013-May-10, 10:27 AM

SRH started a thread What are the requirements for a working Theory of Everything? in Science and Technology

I am hoping in this thread to generate a list of questions that a working ToE would expain to the satisfaction of the scientific community. I am...

4 replies | 131 view(s)

2013-May-10, 03:11 AM

Copernicus replied to a thread Physics classes in Science and Technology

Was wondering if you could clarify what you mean. Thanks

8 replies | 254 view(s)

2013-May-09, 08:58 PM

SRH replied to a thread My Frustration with the Life In Space forum in Forum Introductions and Feedback

Personally, I found the entire thread entitled "Titan's atmospheric chemistry" to be fascinating.

146 replies | 3229 view(s)

2013-May-09, 04:16 PM

SRH replied to a thread Measuring the Gravitational Constant in Astronomy

Grey - I am not sure if you can use Jupiter's mass to prove that G is constant, when you used a constant G to derive the mass of Jupiter. That...

126 replies | 2270 view(s)

2013-May-09, 01:56 PM

SRH replied to a thread Measuring the Gravitational Constant in Astronomy

Grey - how can we calculate Jupiter's mass and the masses of its satellites without using G? Thanks for the example and explanation.

126 replies | 2270 view(s)

2013-May-06, 11:19 AM

SRH replied to a thread What is the Cosmic Microwave Background Radiation? in Space/Astronomy Questions and Answers

Wouldn't the cosmic radiowave background be the most distant thing we can see (beyond the cosmic microwave background radiation)? Thanks.

17 replies | 501 view(s)

2013-May-05, 12:25 PM

SRH replied to a thread What is Poisson's Relation? in Science and Technology

Isnt the Poisson Relation different than the Poisson Ratio? Thanks

6 replies | 253 view(s)

2013-May-04, 01:17 PM

SRH replied to a thread What is Poisson's Relation? in Science and Technology

I found this, but I don't understand it... http://www.scribd.com/doc/58214809/102/POISSON%E2%80%99S-RELATIONSHIP-BETWEEN-POTENTIALS

6 replies | 253 view(s)

2013-May-04, 02:48 AM

Copernicus replied to a thread ET UFO's in Conspiracy Theories

The following image is similar to the one in the heading for the yahoo article. ...

10 replies | 746 view(s)

2013-May-04, 01:27 AM

SRH started a thread Why do we have to have Black Holes? in Space/Astronomy Questions and Answers

Please note: I am not trying to argue an ATM idea here... Just curious why there have to be BHs at the center of a galaxy? Why can't there be...

5 replies | 278 view(s)

2013-May-04, 12:42 AM

SRH started a thread What is Poisson's Relation? in Science and Technology

Could someone please explain Poisson's Relation, the terms, and the meaning? Does it relate gravity to electromagnetism? Thank you very much.

6 replies | 253 view(s)

2013-May-03, 10:20 PM

Copernicus started a thread ET UFO's in Conspiracy Theories

Yahoo has a video about the supression of ET's In the picture is exactly what I saw about 24 years ago, flying over my house. ...

10 replies | 746 view(s)

2013-May-03, 04:43 PM

Copernicus replied to a thread Really trivial stuff that bugs you in Off-Topic Babbling

It really bugs me that verbal abuse is trivialized compared to physical abuse. But I guess this isn't trivial.

2500 replies | 76458 view(s)

2013-May-02, 02:10 PM

SRH replied to a thread Measuring the Gravitational Constant in Astronomy

What is the effect called where photons travelling in opposite directions are attracted to each other and slightly alter their path? Scattering? ...

126 replies | 2270 view(s)

2013-May-01, 05:45 AM

Copernicus replied to a thread Physics classes in Science and Technology

Please, only replies of people with actual experience in this matter.

8 replies | 254 view(s)

2013-May-01, 03:28 AM

Copernicus started a thread Physics classes in Science and Technology

I was wondering if any of these posts or forums are studied by actual physics students as part of a class?

8 replies | 254 view(s)

2013-Apr-30, 10:14 PM

Copernicus replied to a thread Measuring the Gravitational Constant in Astronomy

I would think that widely separated galaxies are taking part in the expansion of space, which would be a different phenomena than gravity.

126 replies | 2270 view(s)

2013-Apr-30, 09:45 PM

Copernicus replied to a thread I'm Seriously Worried About The "Geology" Of Oyster Point. in Science and Technology

They should be saving those dumps as parks until they have to be mined for raw materials. Why build everywhere anyways? And yes, regulation does...

19 replies | 495 view(s)

2013-Apr-30, 09:28 PM

Copernicus replied to a thread Measuring the Gravitational Constant in Astronomy

I would think that measuring the orbits of known binary stars types would pretty much confirm that G is relatively the same throughout our galaxy and...

126 replies | 2270 view(s)

2013-Apr-29, 11:34 AM

SRH replied to a thread question about the comet that passed through the Sun... in Space/Astronomy Questions and Answers

I understand the analogy, but 1 hour exposure time at 2 million degrees is apples and oranges.

11 replies | 290 view(s)

2013-Apr-28, 08:42 PM

SRH replied to a thread question about the comet that passed through the Sun... in Space/Astronomy Questions and Answers

The comet was Lovejoy... http://www.space.com/13959-doomed-comet-lovejoy-sun-encounter-wrap.html Also:...

11 replies | 290 view(s)