The Milky Way Inside and Out, the 108-page special issue with galaxy foldout from Astronomy magazine, takes you on a tour of our galaxy. You’ll discover:
The Milky Way Inside and Out is your guide to how and why our wondrous galaxy works.
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Mix stars, gas, and dust. Cook for 8 billion years.
The Sun's neighbors hide secrets that could help astronomers learn more about our place in the galaxy.
Larger than Earth but smaller than Neptune, these in-between worlds harbor some surprisingly terrestrial environments.
Fundamental forces shape our galaxy and transform gas into stars.
Astronomers are starting to figure out what’s going on in this colossal stellar nursery.
These rare beasts are essential to the universe but often misunderstood. Here are the most important questions facing astronomers.
Sound waves in collapsing stars may produce supernova explosions.
By observing in infrared wavelengths, the GLIMPSE survey revealed the Milky Way’s spiral structure.
Magnetars unleash mammoth bursts of energy, but how and why? Astronomers are working to understand these bizarre stellar objects.
A giant black hole anchors our galaxy’s core, swarmed by fast-moving young stars. Astronomers aren’t sure how they got there.
Our galaxy’s current eminence owes much to a past — and present — spent cannibalizing dwarf galaxies.
By studying globular clusters, astronomers are deciphering the Milky Way’s oldest secrets.
Star clusters in the Milky Way come in two distinct flavors — open and globular. But other galaxies show these objects may be more alike than we thought.
Our galactic surroundings — filled with an array of galaxy types — provide astronomers with a mini version of the universe.
The Milky Way is on a collision course with its neighbor, the Andromeda Galaxy. What will the night sky look like after the crash?
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