MIT Astronomers detects the Earliest Evidence of Hydrogen in the Universe

Rendering of Blue Stars with cosmic Microwave

Rendering of Blue Stars with cosmic Microwave.
Image courtesy - N.R. Fuller 

Astronomers from MIT and Arizona State University members with an radio antena sized of a table by placing it in a Westrern Australian Desert able to pick up a frequency that emitted by a Hydrogen after 180 million years after Big Bang and the frequency signal confirms that the universe is much colder than expected.

The Radio Antenna was built with the most fundamentals in physics and electronics which sized only a table and using extreme amount of optimizations and tuning caught up a signal that from the oldest hydrogen impact that might could lightened the universe after big bang. And the temperature is low as 3 kelvins which is - 454 degrees of Fahrenheit or -270 degrees of Celsius. Scientists used Experiment to Detect Global EoR Signature also known as EDGES to detect Hydrogen gas.

To validate the theory this group of scientist needed a place where it's having very less radio frequency activities and came up with a desert in western Australia and went there to setup everything and kept tuning and optimizing the setup which can reach to the level that they wanted. Above video describes the entire process really well.

Source - MIT