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The Milky Way is not a quiet place. Young and old star jets buzzing back and forth, shows for the first time an analysis. This provides clues to the formation of the galaxy.

Hubble telescope: In the Milky Way 39; s quite beautiful

The Milky Way is not a quiet place. Young and old star jets buzzing back and forth, shows for the first time an analysis. This provides clues to the formation of the galaxy.

Hubble telescope: In the Milky Way  39; s quite beautiful

Research in Star Atlas: The Motion of stars in Milky Way can be better understood by taking pictures of Hubble telescope of US space agency NASA. The analysis of images, which were created over a period of nine years, shows that center of galaxy is a dynamic environment in which about 10,000 sun-like stars of different ages moved around at different speeds, shared with NASA. They compared hustle and bustle with many travellers who are busy walking around airport.

A team of researchers, led by Will Clarkson of University of Michigan-Dearborn, has evaluated images (Clarkson et al., 2017). The scientists presented ir preliminary findings at a conference of American Astronomical Society in U.S. capital, Washington, D.C. The results could provide information about how central area of Milky Way – a bulge called "Bulge" – and our galaxy have emerged.

The Milky Way name origin

The name for Milky Way is in experts Galaxy. It is derived from ancient Greek galaxias, which in turn is from gala (= milk).

According to legend , Zeus had his son Heracles, whom he begat with mortal wife Alcmene, drink to breast of his divine wife Hera when she slept. Heracles should receive such divine powers. But little sucked so violently that Hera awoke and child came full of disgust. A ray of her divine milk was sprayed over sky.

Milky Way in Figures

diameter: 100,000 Light Years

thickness: 3,000 to 16,000 (Bulge) light Years

Mass (visible): Around 3.6 times 10 high 41 kilograms

stars: Around 100 to 300 billion

inter Stellar Matter: 600 million to several billions of solar masses

halo diameter: Around 165,000 light years

Dark matter: about one trillion solar masses

distance from Sun: 25,000 to 28,000 light years from galactic Center

turnaround time around center: 220 to 240 million years

There are many ories about this, says Annalisa Calamida, who belongs to Hubble research team according to communication. "Some say Bulge would have formed when galaxy was created 13 billion years ago. So all stars in it would have to be same age and move around same speed. " Ors suggest that Bulge slowly developed after first stars had already been born. Thus, some stars would not only be younger. They would also be enriched with elements from dying stars and would also be on move at a different pace.

Flight through Orion Nebula

How Sun-like stars move is dependent on ir chemical composition. If y consist of elements heavier than hydrogen and helium, y move more orderly, but more quickly around center of Galaxy than older suns, which consist of less heavy elements.

"The stars in our investigation show properties of both models," says Calamida. "That is why this analysis can help us to understand true origin of Bulge." Next, team wants to look at this area of Milky Way from different angles in order to develop a three-dimensional image and learn even more about environment.

Also on Astronomentreffen in Washington, D. C., this 3d animation was presented from recordings of Hubble and Spitzer Space Telescope. It allows for first time a detailed visualisation of Orion Nebula of Milky Way, even a kind of birthplace for new stars. This was made possible after specialists combined infrared images and photographs from visible light spectrum:

Read more about exploration of universe in topic focus on time online.

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