Andromeda
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Andromeda's satellite galaxy

M33 (Triangulum)

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M33 (Triangulum) goes round Andromeda, about 670,000 light-years from its centre.

Measured

Distance
about 2.58 million light-years

How far, from the Sun

About 2.58 million light-years. To cross it:

  • Light2.58 million years
  • Voyager 1's speed45.8 billion years
  • Driving at 100 km/h27.8 trillion years

Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.

Facts

  • Shines like about 2.83 billion Suns.
  • Placed at its measured distance.

Where this comes from

  • McConnachie et al. 2005, MNRAS 356, 979, Table 2; McConnachie et al. 2018, ApJ 868, 55

Every catalogue Ouranos draws is credited on the credits page.