Our Milky way is warped not flat - a new study reveals

Scientists for the first time, have built an accurate 3D model of our home galaxy - the Milky Way, which reveals that it isn't just a flat disk of matter, but has rather a warped and twisted shape.
Researchers from Macquarie University of Australia and Chinese Academy of Sciences have found out that it becomes increasingly warped and twisted as we move away from its center. The report has been published in the journal Nature Astronomy.

Although, our galaxy would look like a plane thin disk of stars and gases from distance, but it is not actually that way. As we move away from its center, the pull of gravity becomes weaker as compared to the inner regions. Due to this, it no longer remains just a plane disk, rather it becomes warped with a twisted S-like shape.
Researchers had conducted dozens of experiments earlier in which they had observed stars younger than our sun but with a comparatively larger size and more luminosity. These stars have lesser lifetime as compared to our Sun and they grow rapidly and die young. After combining all the data from these observations, they concluded that our galaxy should have a warped appearance at outer regions. This twisting is caused by the Rotational force or torques caused by inner massive disk. This new study may be crucial in understanding about the origin of Milky Way.