ALMA spots metamorphosing aged star
An international team of astronomers has captured the very moment when an old star first starts to alter its environment. The star has ejected high-speed bipolar gas jets which are now colliding with the surrounding material; the age of the observed jet is estimated to be less than 60 years. These features help scientists understand how the complex shapes of planetary nebulae are formed.
from Latest Science News -- ScienceDaily https://ift.tt/39taVuG
from Latest Science News -- ScienceDaily https://ift.tt/39taVuG
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