How far apart are the Milky Way and Andromeda?

The Milky Way and Andromeda galaxies are approximately 2.5 million light-years apart, and they are approaching each other.

What will happen when the Milky Way and Andromeda collide?

The collision will result in a massive merger, potentially forming a new, larger galaxy with a unique structure.

Can we see Andromeda from Earth?

Andromeda is visible to the naked eye on a clear night as a faint, fuzzy patch, and it's best seen with binoculars or a telescope.

🔬 Science & Space

Milky Way vs Andromeda

Which galaxy is the greater island of stars?

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Who's winning: Milky Way or Andromeda?

No votes yet — be the first to weigh in on Milky Way vs Andromeda.

The Milky Way and Andromeda galaxies are two of the most iconic islands of stars in the universe. Their differences in size and star count have sparked interesting comparisons. People argue about which one is greater due to their unique characteristics. This debate is about more than just size.

Why each side wins

🌌 Milky Way

The Milky Way has a well-understood structure and a diverse range of celestial objects. It's home to our solar system and has been extensively studied. Its barred spiral shape is a notable feature. The Milky Way's familiarity makes it a strong contender.

💫 Andromeda

Andromeda is a much larger galaxy with a massive star count. Its impending merger with the Milky Way makes it a significant player in the future of our universe. Andromeda's size and potential for new star formation are notable advantages. Its sheer scale is impressive.

Tale of the tape

🌌 Milky Way

Diameter: ~100,000 ly
Stars: 100-400 billion

💫 Andromeda

Diameter: ~152,000 ly
Stars: ~1 trillion

The verdict

To weigh the choice, consider what matters most: size, structure, or familiarity. Those who value complexity and diversity may lean towards the Milky Way. Others who prioritize scale and future potential may prefer Andromeda.

Science & Space standing

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Milky Way

#60 / 75

1500 ELO

Andromeda

#61 / 75

1500 ELO

Frequently asked

How far apart are the Milky Way and Andromeda?: The Milky Way and Andromeda galaxies are approximately 2.5 million light-years apart, and they are approaching each other.
What will happen when the Milky Way and Andromeda collide?: The collision will result in a massive merger, potentially forming a new, larger galaxy with a unique structure.
Can we see Andromeda from Earth?: Andromeda is visible to the naked eye on a clear night as a faint, fuzzy patch, and it's best seen with binoculars or a telescope.