[ weird things ] | astrophysics
articles tagged: astrophysics
here for less than a blink of the cosmic eye
# space

here for less than a blink of the cosmic eye

We're here for an exciting time, not a long time. And we should use that time doing something fun and constructive.

arxiv stuffs a wormhole with perfect fluids
# space

arxiv stuffs a wormhole with perfect fluids

Another day, another exercise in nearly unfalsifiable numerology from arXiv...

explaining the origins of dark matter. or not.
# science

explaining the origins of dark matter. or not.

A trio of physicists want to marry dark matter and antimatter. It's not a union that seems destined for bliss.

do gravity waves plus cmbr equal inflation?
# space

do gravity waves plus cmbr equal inflation?

For inflation to remain cosmology's top theory of how the universe grew into what we see today, we need to find the right gravitational waves in experiments ramping up to do just that.

other universes, found only on the arxiv blog…
# space

other universes, found only on the arxiv blog…

Continuing the trend of looking too closely to CMBR maps, a group of cosmologists says they found evidence of "bruises" from collisions with other universes.

roger penrose’s cyclical cosmology revisited
# space

roger penrose’s cyclical cosmology revisited

Penrose and Gurzadyan respond to their critics without offering anything new for the debate.

how to navigate in deep space with dead stars
# space

how to navigate in deep space with dead stars

Could we use neutron stars as navigational landmarks when traveling through interstellar space?

roger penrose hunts for traces of other big bangs
# space

roger penrose hunts for traces of other big bangs

Roger Penrose thinks he discovered traces of previous Big Bangs in the Cosmic Microwave Background Radiation, but his evidence for it seem thin and the consequences are left unaddressed.

learning about stars by listening to their hum
# space

learning about stars by listening to their hum

Want to get a good guess as to how old a star is? Just listen to its hum...

io9 already planning to colonize gliese 581g…
# space

io9 already planning to colonize gliese 581g…

Ads for extrasolar attractions and preemptively naming cities on an alien world are all well and good. But what will it take to really start colonizing a distant planet?

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