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3 votes

Long term viability of a human population with super healing that causes female to male sequential hermaphrotism

Frame Challenge How is this functionally different from Menopause? (Quickly ducks from all the hormonally thrown objects at my general direction) Hear me out for a second - Currently Women get their ...
TheDemonLord's user avatar
3 votes

Exploring the Feasibility of Laser-Based Ram Scoops Powered by Micro Black Holes

Drag is exponential to your velocity Any mass you absorb at relativistic speeds will have to be accelerated to the speed of your ship to become part of it. So depending on how efficient your engine ...
Nosajimiki's user avatar
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1 vote

Would you be able to look directly at the Sun if it were a red giant?

I see several answers here that I don't think give a properly direct to your first two questions It seems like you're thinking here that the sun is bigger in the sky (both because it is larger and the ...
Tyler Boyd's user avatar
3 votes

Would you be able to look directly at the Sun if it were a red giant?

The nearest everyday example for the brightness of a 3000K object is a tungsten-halogen lightbulb. A car headlight variety has a few square mm heated surface and is quite unpleasant if looked at from ...
fraxinus's user avatar
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6 votes

Would you be able to look directly at the Sun if it were a red giant?

Hard no First, you have to consider that the Sun will produce about 2200x as much light. This is the low end, because you're specifying a lower expansions size. However, at the radius of Venus, the ...
Robert Rapplean's user avatar
18 votes
Accepted

Would you be able to look directly at the Sun if it were a red giant?

Stars that leave the main sequence to become giants towards the end of their lives are generating more energy... you need that extra energy to hold the outer layers up against the pull of gravity, ...
Starfish Prime's user avatar
5 votes

Would you be able to look directly at the Sun if it were a red giant?

As the sun becomes a red giant, the luminosity may go up by a factor of 300 or so according to the Wikipedia article. This, I believe is the astronomical 'luminosity' which refers to the total ...
Richard Kirk's user avatar
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9 votes

Would you be able to look directly at the Sun if it were a red giant?

Luminosity will increase greatly Although you are limiting your red giant about the orbit of Venus, this actually means the diameter of the red giant phase will be roughly 80 times its current ...
Gary Walker's user avatar
  • 22.5k
3 votes

Would you be able to look directly at the Sun if it were a red giant?

I think you underestimate how bright the Sun is. When we see the yellow ball that is the Sun in all those infographics and NASA images, that isn't how it actually looks. That's clearing away a vast ...
controlgroup's user avatar
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