/sci/ - Science & Math

>>14695726
Water vapour is not a sign of life, but the presence of free oxygen gas in the atmosphere is. Such a discovery would dominate front page news for weeks, and would ramp up the search for intelligent life.

>>14695835
>We can have a discussion about how plant life might appear differently on different star types?
Life would be adapted to the solar flux. Red is fine for photosynthesis, rhodopsin not so much. Look up purple earth theory.
>I've heard that green is on sun-like stars only, on K-Type stars they might appear blue or pinkish,
K seems amber on the HZ diagrams.
>on M-Type stars they might be brown or violet,
Why not red?
>on F-Type stars they become cyan or white, and so on
Seems white-yellow.

>>11632583
To the contrary, the question comes up often. Perhaps instead we should have a Physics or science career general.

>>11205152
>apex predator
There was this short science fiction story about essentially a meme that took control over a planet with primitive life and made them evolve and develop space faring tech for the sole purpose of getting that meme to the destination.

Anyone here remember the title?

>>10993934
As I wrote, there is a human urge to go out and explore. Also much of Earth is hostile to the stone age human. We depend on tech already to survive.

>>10752446
Sure: https://www.deviantart.com/ynot1989/art/2051-Luna-and-Orbit-667008997
I collect a lot of images, but sorting them is a hassle.

>>9869844
Yes. We too need another sun.

>>9870510
What cold possibly go wrong?

>>9362773
The part always facing the super-Jovian would probably receive less sunlight since the sun would never directly face that part from zenith. Weather would be interesting.

>>9330631
>What about the first post with the strong magnectic field? Would be possible to sustain life in the surface?
A red dwarf star can be fairly inactive in terms of radiation so you might do with a small magnetic field. If the blue star is nearby you would need an epic field strength to sustain life on the surface. Blue stars have major outbursts that make our coronal mass ejections seem like a walk in the park. If your life forms are meant to be advanced you would want a world where you can have cables that don't turn into lightening and satellites in orbit that are not mowed down.

>How would the sky looks in a s-type like you said?
Pic. is an artist's impression of the Trappist system, might be close to what we are talking about. Just add a small blue dot to account for the blue star at a far and safe distance.

>If the 2 moons are in the points 4 and 5 they would all appear in the night? The points seems opposed to me.
Many think we only see the Moon at night. That is not the case. In this case the moons would be visible only at dusk and dawn.