New mission NASA: the probe will study the past of the Universe

In September 2016, the space Agency, NASA opened applications for the following missions in the framework of astrophysics Astrophysics Explorers Program. Three years later, the decision was finally passed in 2023, the orbit of the Earth will go SPHEREx probe, which will study the time of appearance of the first stars and galaxies. The mission allocated $ 242 million, excluding the costs of launching spacecraft.

Зонд SPHEREx

The main task of the probe is scanning outer space in the near-infrared light every six months for two years. By the end of the mission it will show you the sky in 96 different colour bands. According to the calculations of astronauts, the unit will be able to cover about 100 million stars of the milky way. The equipment will concentrate in places where the fluid and molecular clouds, where there is an active formation of new stars.

It is expected that the considered distant galaxy at a distance of 10 billion light-years, astronomers will learn what happened to the Universe in the era of reionizatsii. This time period accounts for a period of between 550 and 800 million years after the Big Bang. It is believed that it was then rapidly expanded the universe began to cool and form the first space objects.

3 the mission SPHEREx:

  • To study the physics of the expansion of the Universe;
  • To explore the history of light study other galaxies.
  • To find out how widespread in the milky way the main ingredients of life: water, carbon monoxide, carbon dioxide and methanol.

According to the assistant administrator office of scientific missions NASA Thomas Zurbuchen, this mission can be a treasure trove for scientists. A large-scale map containing traces of the first moments of the Universe’s history, will help to answer one of their main questions: “what caused the universe to expand so fast?” .

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