View Profile: NeptuneRise - Cosmoquest Forum

2013-Jun-11, 03:26 AM

eburacum45 replied to a thread Brown Dwarf questions in Space/Astronomy Questions and Answers

We have discussed this here before, and no-one has come up with one. I'd just call it the brown dwarf's 'system'; it isn't 'solar', but it is...

33 replies | 566 view(s)

2013-Jun-09, 01:15 PM

eburacum45 replied to a thread Is Nightfall realistic? in Life in Space

One interesting idea that pops up in that paper is that an old cluster like M67 might have a distributed Oort cloud, shared between many or most of...

13 replies | 335 view(s)

2013-Jun-09, 12:59 PM

eburacum45 replied to a thread Is Nightfall realistic? in Life in Space

Stellar encounters would be problematic for many different types of potentially habitable (biocompatible) worlds. If a planet with liquid water has...

13 replies | 335 view(s)

2013-Jun-07, 09:56 PM

eburacum45 replied to a thread How long would it take for a manned craft to reach Jupiter's moons? in Space/Astronomy Questions and Answers

Project Rho has an interesting table; http://www.projectrho.com/public_html/rocket/appmissiontable.php#id--Spaceship_Handbook_Mission_Table A low...

21 replies | 362 view(s)

2013-Jun-05, 11:06 PM

eburacum45 replied to a thread Advanced alien communications in Life in Space

That's right; a laser beam would have a small footprint at the destination system and use less energy than a radio transmission. The shorter the...

16 replies | 253 view(s)

2013-Jun-03, 12:22 PM

eburacum45 replied to a thread Is terraforming mars possible? in Space Exploration

This seems plausible to me. The earliest settlers might use a range of techniques to colonise Mars, such as massive greenhouses and underground...

120 replies | 6463 view(s)

2013-Jun-03, 11:46 AM

eburacum45 replied to a thread questioning The Goldilock Zone in Life in Space

The outer edge of the 'habitable zone' is defined by the outer edge of the liquid water zone, but this is affected by the amount of greenhouse gas in...

8 replies | 333 view(s)

2013-Jun-01, 05:33 PM

eburacum45 replied to a thread [Sirius film] in Conspiracy Theories

This was covered in a different thread elsewhere on this forum. This post is basically a repeat of what I said there. This 'alien' appears to be...

11 replies | 768 view(s)

2013-May-31, 08:08 AM

eburacum45 replied to a thread Why still there is no Alien contact ? in Life in Space

This is a very important point, and it can be highlighted with some back-of-the-envelope calculations. Charles Stross calculates that the energy...

924 replies | 50392 view(s)

2013-May-30, 02:58 PM

eburacum45 replied to a thread How many Earth analogue's could we build (if we had the technology) from...? in Life in Space

Alternately we could build a bubble filled with hydrogen and helium, with an outer skin of steel. Here's Dani Eder talking about his Bubbleworld...

6 replies | 150 view(s)

2013-May-30, 02:46 PM

eburacum45 replied to a thread How many Earth analogue's could we build (if we had the technology) from...? in Life in Space

This is an interesting idea, and might be doable without unobtainium. Paul Birch came up with the idea of the SupraJupiter, a shell contructed above...

6 replies | 150 view(s)

2013-May-30, 07:41 AM

eburacum45 replied to a thread what do you guys think about the alien? in Space/Astronomy Questions and Answers

The specimen was apparently found in a bag near an abandoned town in the desert. The bag itself may have constricted the body to cause the...

9 replies | 492 view(s)

2013-May-29, 08:04 PM

eburacum45 replied to a thread what do you guys think about the alien? in Space/Astronomy Questions and Answers

The skeptics on that site seem to have taken disbelief a little too far. There is no need to evoke modelling plastic and an artificial skeleton in...

9 replies | 492 view(s)