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just going to wait for the next prediction of the world ending to see if that gives us more time...after the next prediction, repeat....just going to wait for the next prediction of the world ending to see if that gives us more time...and so on
Yup yup. Will our two galaxies merge? Will they slip past each other? I think the predicted likelihood and consensus is on the former.
In certain regions yes, it's only immigration that keeps the rate of replacement above the death rate in many EU nations. China is experiencing a demographic and thus imminent economic crisis owing to its strict one child policies of the past.
But there still won't be any significant inter-government agreement and action. And a descendant of Rishi Sunak will propose new licences for oil exploration.
It's happening naturally in much of the world already from Japan, South Korea, Europe and North America.
I'm not so sure about that. Stars are light years apart.
I agree, to a degree. I do think we can grow economies, without growing the population. With increasing automation and continuing developments in AI and Robotics, to accelerate production and with other emerging technologies like fusion energy and genetic modification, we can, at the same time, minimize our impact on the global ecology.
I'm not so sure about that. Stars are light years apart.
While the Andromeda Galaxy contains about 1 trillion (1012) stars and the Milky Way contains about 300 billion (3×1011), the chance of even two stars colliding is negligible because of the huge distances between the stars. For example, the nearest star to the Earth after the Sun is Proxima Centauri, about 4.2 light-years (4.0×1013 km; 2.5×1013 mi) or 30 million (3×107) solar diameters away.To visualize that scale, if the Sun were a ping-pong ball, Proxima Centauri would be a pea about 1,100 km (680 mi) away, and the Milky Way would be about 30 million km (19 million mi) wide. Although stars are more common near the centers of each galaxy, the average distance between stars is still 160 billion (1.6×1011) km (100 billion mi). That is analogous to one ping-pong ball every 3.2 km (2 mi). Thus, it is extremely unlikely that any two stars from the merging galaxies would collide.[6]Andromeda–Milky Way collision - Wikipedia
en.wikipedia.org
While each galaxy's supermassive black hole will converge, it's star collisions are unlikely.
So yes, who knows what a merger would bring to the orbit of the Sun itself around the galactic center? Well a powerful AI run computer simulation might have some idea!
Pretty unfair. We're just cruising along out there minding our own business, and Andromeda just comes up and runs us down.
That's if the our sun isn't one of the unfortunate stars that is cast out into intergalactic space.
Pretty unfair. We're just cruising along out there minding our own business, and Andromeda just comes up and runs us down.
How does the Triangulum Galaxy squeak by unscathed?
Of course by then, 3 -7 billion years, our sun will be a cooling red dwarf, and our planet would have been roasted dry during the red giant phase of our sun due to start some 500 million years from now? (I think)That's if the our sun isn't one of the unfortunate stars that is cast out into intergalactic space.