Sentences with phrase «hydrogen epoch of reionization»

In light of the dip discovery, other observatories are being retooled to study this interesting frequency, such as the Hydrogen Epoch of Reionization Array (HERA) project located in South Africa's Karoo desert.

HERA, which stands for Hydrogen Epoch of Reionization Array, will investigate a period in time when the very first generations of stars and galaxies formed, and totally altered the cosmic landscape.

Not exact matches

In addition to emitting visible light, the stars also gave off ultraviolet (UV) radiation, which split the neutral hydrogen it encountered into electrons and protons — ionizing it once again, and thereby launching what researchers call the «epoch of reionization.»

This era, when most of the hydrogen in the universe underwent a massive physical transformation, is known the epoch of reionization.

New observations show that tiny galaxies in the early universe could have triggered the epoch of reionization — a period when harsh radiation tore apart hydrogen atoms — which astronomers consider key to understanding how stars and galaxies arose from the universe's early dark void.

Analysis of the newly found quasar shows that a large fraction of the hydrogen in its immediate surroundings is neutral, indicating that the astronomers have identified a source in the epoch of reionization, before enough of the first stars and galaxies have turned on to fully re-ionize the universe.

The goal of the HERA project is, most broadly, to trace those minute changes in hydrogen from about 100 million years after the Big Bang to one billion years after, when the epoch of reionization culminated with a conclusive turning on of the universe.