Stars first came into being 100 million later than what it was originally conceived. According to research, the universe is presumed to be 13.8 billion years old. So by calculating the difference, I’d say that the oldest star system would be 13.7 billion years old. In comparison our Milky Way galaxy is only about 4 billion years old. These things are really the ancient of ancients.
How did astronomers computed the age of our Universe anyway? They got their data from European Space Agency’s Planck space telescope. It points out that the formation of the stars stated approximately 550 million years after the formation of the universe brought about by Big Bang.
Before the Big Bang, the universe was in the “reionization” era. This was the time when the universe was extremely dark. There were no galaxies and stars during that time.
Then everything started waking up 13.8 billion years ago. The space exploded and time with it and everything came into existence.
At one time, the speculation was that the first stars began to appear 440 million years later. The latest calculations revealed that they are younger by 100 million years.
Planck, launched in 2009, was designed to study the “cosmic microwave background” (CMB) — the faint radiation echo left by the Big Bang — with unprecedented accuracy. It was decommissioned in 2013 after exhausting its supply of liquid helium coolant.
Launched in 2009, the Planck was created to examine the “cosmic microwave background” (CMB), or the subdued remnant of the radiation echo of the Big Bang, with unheard of precision. It was later shut down after using up all of its helium liquid coolant.
Senior scientist Dr Carlo Baccigalupi, from the International School of Advanced Studies in Trieste, Italy, said: “According to Planck’s observations, stars may be younger than believed, in bearing with other independent astrophysical indicators, and this finding may have major consequences on our attempts to understand the dark components of the Universe.”
“The “dark components” consist of invisible Dark Matter and Dark Energy, both of which are still unsolved mysteries whose natures are unknown, he added.
The findings of the research were published in the journal Astronomy and Astrophysics. The researchers revealed that there are more data from the Planck to be analyzed that should provide a more defined picture of the evidence.
Reionisation means that the energetic ultraviolet light from the first stars split hydrogen atoms into their component protons and electrons.