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Giant planet discovered

01.11.2017

A giant planet the size of Jupiter, the existence of which was previously considered extremely unlikely, has been discovered by an international team of astronomers.

A gas giant called NGTS-1b is located in the constellation Dove, 600 light years from Earth. The mass of NGTS-1b is 20% less than the mass of Jupiter, and the temperature on the surface reaches 530 degrees Celsius.

Scientists have identified NGTS-1b as the largest planet compared to the size of its companion star. The fact is that a gas giant the size of Jupiter revolves around a star half the size of our Sun.

Such a discrepancy was recorded for the first time in the universe and contradicts the theory according to which small stars form solid celestial bodies around them, but not gas giants. For the formation of the latter, much more material is needed than a modest-sized luminary can "collect".

"The discovery of NGTS-1b was a complete surprise - such massive planets, as we thought, do not exist around such small stars. This is the first exoplanet that we have found with our new NGTS installation (the newest Transit Survey observation object designed to search for transit planets). Now we hope to find out how common these types of planets are in the galaxy, and thanks to NGTS we are quite capable of doing this, said Professor Peter Whitley from the University of Warwick.

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A new organ found in the human body 07.04.2018

A group of American scientists led by Professor Neil Theise of New York University discovered a new organ in the human body, the detection of which has so far been hampered by the limitations of the standard technique.

The new organ is a branched system of interconnected cavities in the connective tissue that permeates the entire body. The walls of these cavities are made up of cells that look like fibroblasts and contain fibers of strong collagen and elastin proteins. The cavities themselves are filled with fluid and open into the lymph nodes.

The cavities included in this system are found under the skin, as well as in the "lining" of many muscular organs: the gastrointestinal tract, bladder, lungs, and blood vessels. Scientists believe that the newly discovered organ acts as a "shock absorber", protecting muscle tissue from damage during contraction and relaxation.

However, its role in the work of our body, apparently, does not end there. It seems that these cavities are also involved in the formation of edema and fibrosis; in addition, metastases of cancerous tumors and the substances that feed them spread through them. For the first time, scientists saw them when examining the bile ducts of a cancer patient.

The new organ was called "interstitium" (interstitium).

Why was this discovery not made earlier? The fact is that the standard method of histological examination (i.e., the study of body tissues) is based on fixing them with special chemicals and dividing them into thin sections, which are examined under a microscope. At the same time, the liquid flows out of the cavities and they become invisible.

However, Teise and colleagues used a different approach: they injected a fluorescent dye into the patient's living tissues, illuminated them with a laser, and inserted an endoscope into the patient's body. As a result, the interstitium was examined in detail.

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