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Posted on 6/4/18 at 10:29 pm to Tiger n Miami AU83
quote:
Yep. On the one hand, it is pretty much agreed that life exists relatively abundantly in the universe. There maybe life on one of Saturn's moons, may have been life on Mars and or venus in the past etc, just in our solar system.
However, life as intelligent or more intelligent than humans may not exist and may have never existed. Dunno.
The Drake Equation is a well known guesstimate of the abundance of intelligent life out there (in the Milky Way alone)
And if interested here’s a BBC documentary that goes over it in much more detail: "The Search for Life - The Drake Equation"
This post was edited on 6/4/18 at 10:36 pm
Posted on 6/4/18 at 11:04 pm to chRxis
Actually, we will get a chance to get "into" our closest neighboring galaxy when we collide with Andromeda 4 billion years from now.
Even with all those stars in Andromeda, not to mention the associated planets in both galaxies, the odds are very low that there will be any direct collisions when the Milky Way passes through Andromeda.
That is how spread out the matter is in these galaxies.
Even with all those stars in Andromeda, not to mention the associated planets in both galaxies, the odds are very low that there will be any direct collisions when the Milky Way passes through Andromeda.
That is how spread out the matter is in these galaxies.
Posted on 6/4/18 at 11:08 pm to PygmalionEffect
quote:
Even with all those stars in Andromeda, not to mention the associated planets in both galaxies, the odds are very low that there will be any direct collisions when the Milky Way passes through Andromeda.
Bet you $20 we hit something.
Posted on 6/4/18 at 11:12 pm to PygmalionEffect
Simulation of the collision
LINK
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 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. 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 centres 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 (2.0 mi). Thus, it is extremely unlikely that any two stars from the merging galaxies would collide.[5]
LINK
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 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. 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 centres 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 (2.0 mi). Thus, it is extremely unlikely that any two stars from the merging galaxies would collide.[5]
Posted on 6/4/18 at 11:15 pm to GRTiger
quote:
Bet you $20 we hit something.
You're on.
Posted on 6/4/18 at 11:32 pm to DavidTheGnome
If you like documentaries on space these are some I’d recommend, hosted by Jim Al-Khalili that someone mentioned earlier. Produced by the BBC they are all quality stuff and worth a watch if you’re interested in the subjects:
The Beginning and End of the Universe
1. The Beginning
2. The End
Everything & Nothing
1. Everything
2. Nothing
Light & Dark
1. Light
2. Dark
Order & Disorder
1. Energy
2. Information
The Beginning and End of the Universe
1. The Beginning
2. The End
Everything & Nothing
1. Everything
2. Nothing
Light & Dark
1. Light
2. Dark
Order & Disorder
1. Energy
2. Information
Posted on 6/4/18 at 11:35 pm to DavidTheGnome
So how many stars are there? Did the Hubble find out?
Posted on 6/4/18 at 11:36 pm to beachreb61
shite. at least three, ninja.
Posted on 6/4/18 at 11:40 pm to beachreb61
Edit: nm I was Way off
This post was edited on 6/4/18 at 11:43 pm
Posted on 6/4/18 at 11:41 pm to DavidTheGnome
At the end of the day, with the world is going, we are probably a molecule on some alien nut sack.
Posted on 6/5/18 at 12:22 am to PygmalionEffect
quote:
when we collide with Andromeda 4 billion years from now.
Posted on 6/5/18 at 4:15 am to LSUERDOC
quote:. Yep that’s what gets me- the pure vastness of space. What blows my mind is thinking in terms of the voyager zooming out into it now well beyond our solars system. It is moving at something like 30,000 miles per hour and at that rate won’t get to next closest star for thousands of years!!! That is mind blowing!
The scale of things in the universe is mind-boggling for sure. To put our galaxy into perspective, if a star in our galaxy was shrunk down to the size of a white blood cell, then the Milky Way would be the size of the Unite States.
Posted on 6/5/18 at 4:38 am to PCRammer
Proves that NASA is fake news. All the clusters are dull but this one happens to be bright and in focus. We all know what happened - some donk forgot to put the filter over one of those lights.
Posted on 6/5/18 at 4:38 am to DavidTheGnome
I feel like the Cameron character in Ferris Bueller,
when he dove into that painting.
when he dove into that painting.
Posted on 6/5/18 at 4:41 am to 9001
quote:
Literally hundreds of them.
Literally millions of them.
Posted on 6/5/18 at 5:42 am to Sneaky__Sally
(no message)
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