在宇宙空间中充斥着一种微波辐射，这被称为“宇宙微波背景辐射”（CMB，cosmic microwave background），根据大爆炸宇宙论，“宇宙微波背景辐射”是宇宙最古老的光子，在光速的限制下，这些光子至今仍然在宇宙空间中传播，而由于宇宙的膨胀，现在的它们已经变成了微波。

As an international collaboration of radio astronomers from Australia, Germany, the UK, South Africa, the Netherlands, Italy and France, the MeerKAT Pulsar Timing Array (MPTA) has created a ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. When you look out at the distant Universe, you’re also looking back in ...

The newly detected gravitational wave background could be the result of supermassive black hole binaries that orbit each other for a few million years before merging. By now you’ll have seen the news ...

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The earliest galaxies may have scrambled our reading of the Universe. A new study challenges the traditional interpretation of the cosmic microwave background, this fossil light from the Big Bang.

The deepest space- and ground-based observations find metal-enriched galaxies at cosmic times when the Universe was less than 1 Gyr old. These stellar populations had to be preceded by the metal-free ...

The European Space Agency's Planck satellite has been gathering data since its launch in 2009, slowly building up a map of the cosmic microwave background radiation -- a distant remnant of the Big ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally published at The Conversation. The publication contributed the ...