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Are there areas in the observable universe which surely cannot contain galaxies with planets that can support life as we know them?
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#4: Post edited
Are there areas in the observable universe _which surely cannot contain galaxies which by themselves can surely contain_ life as we know them?
- Are there areas in the observable universe which surely cannot contain galaxies with planets that can support life as we know them?
#3: Post edited
Are there areas in the observable universe _which surely cannot contain galaxies which surely can contain_ life as we know them?
- Are there areas in the observable universe _which surely cannot contain galaxies which by themselves can surely contain_ life as we know them?
#2: Post edited
Are there areas in the observable universe _which surely cannot contain galaxies which surely can contain_ planets such as earth ("super-earths")?
- Are there areas in the observable universe _which surely cannot contain galaxies which surely can contain_ life as we know them?