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The first stars in the Universe turn on at about 400 million years after the Big Bang. WMAP data reveals the era.

Was dark matter created with the Big Bang?

... be put together then there can exist things beyond our own universe and dark energy can be some kind of phenomenon that is related to stuff beyond our own universe. And so, once you have that, you could start to ... dark energy, maybe it is something that is outside our own universe that in some sense, you can say, exists ...

 Original - This artist’s impression of the distant galaxy SMM J2135-0102 shows large bright clouds a few hundred light-years in size, which are regions of active star formation. These “star factories” are similar in size to those in the Milky Way,...

What has physics got to say about time?

... bounce back out again and that we would experience as our own big bang.  So, this is a picture of a cyclic universe ... different parallel universes, if you like.  So, our own universe will be one of the layers and then separated by ... good question.  They could be very different from our own universe.  They could have different laws of physics in ...

Merope star

Lithium shows scientists where to find far-off planets

... spectrum of light given off by a star, whilst others - our own Sun included - contain less than 1% of this amount. To ... into account, a surprising trend emerged. Stars like our own Sun, with planets, lacked lithium, whilst their more ...

 == {{int:filedesc}} == {{Information |Description ={{en|1=The Dark Sector Laboratory at [[:en:Amundsen–Scott South Pole Station|Amundsen–Scott South Pole Station]]. At left is the [[:en:South Pole Telescope|South Pole Telescope]]. At right is the...

Detecting Gravitational Waves

... or could it potentially be foreground emission from our own galaxy. So, while our galaxy emits rather weakly at these ...

Brain schematic

Are other animals conscious?

... about the situation, and you have my sympathy because my own daughter gets a bit of eczema and I know it's a miserable ... suggested that in fact other animals can recognize their own reflection which means that they understand what they ...

Sunrise over the rim of a planet seen from space.

Lunar Gateway and The End of Everything

... perspective, when everybody's sort of huddled into their own little spaces, and you know, seeing all these difficult ...

gravitational lensing

Is dark matter really there and how do we know?

... an antiparticle which we the positron, but a photon is its own antiparticle, it doesn’t have a different antiparticle. ...