“Illusion” — ‘Cosmic-Dance’ Paradox of Milky Way’s Bar – The Daily Galaxy –Great Discoveries Channel

We are living through our Solar System’s twentieth, 223-250 million-year orbit of the Milky Way near the inner edge of the ephemeral spiral feature known as the Orion Arm or, less poetically, the Local Arm . The ghostly spiral arm is a concentrations of gas and dust where stars form, produced by disturbances within the Milky Way, or on occasions by a jolt from outside, such as a supernova. Life-threatening asteroids and comets are more frequent when a planetary system is crossing one of the gala…

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