Spanning 120,000 light years, our galaxy’s disc outshines the rest of the Milky Way. The disc harbours the Sun and most of the galaxy’s other stars, as well as the beautiful spiral arms. But exactly ...
We use the Multi-Object Spectroscopy system of Xinglong 2.16 m telescope to study the gradients of gas-phase oxygen abundance and the distributions of star formation activities of seven nearby ...
Figure 1: Surface brightness and velocity of the [O iii] 5,007 Å line, and metallicity maps. Figure 2: Gas fractions for the different regions in the observed galaxies. Although the three galaxies ...
When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. AUSTIN, Texas — Scientists are performing a census of the stars in the Milky Way in an effort to ...
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