https://iopscience.iop.org/article/10.3847/1538-4357/ab4186/pdf ...

This artist's view shows the combined focal plane of the two instruments on board ESA's Planck spacecraft. The High Frequency Instrument (HFI) is visible as a circular forest of horns at the centre, ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. An illustration of the cosmic radiation background at various redshifts ...

So much happened in the earliest moments of the universe. Elementary particles appeared, the first nuclei of hydrogen and helium, and fluctuations of energy and matter set into motion the formation of ...

There are a lot of things that generate an observable signal in the Universe. Astronomically, the primary way we search for those signals is through some form of light. Either the physical phenomenon ...

Cosmic microwave background is the oldest light in the universe. Cosmic microwave background is the oldest light in the universe. It was set free when the universe was a mere 380,000 years old and ...

Cosmic microwave background is a sea of radiation that provides us with evidence for the big bang. When around 1916 Einstein first used general relativity to build a cosmic model, he followed the ...

The Cosmic Microwave Background was created as the first atoms formed hundreds of thousands of years after the Big Bang, and it retains information about the formation of the Universe. Discovering it ...

Planets that are twice as far away as Earth appear 16 times dimmer since the intensity of sunlight weakens by a factor of four going out and by another four times coming back. If Planet 9 is at an ...

(Image: Stephan's Quintet, also known as the Hickson Compact Group 92, taken by the Hubble Space Telescope. Stephan's Quintet is a group of five galaxies, but group member NGC 7320, at upper right, is ...