Megrezstar · Stars

Megrez is the white star where the handle of the Plough meets the bowl, the faintest of the seven, its name from the Arabic for the root of the tail.

See it in the 3D map

At a glance

typewhite star (class A)
distance from the Sun80.5 light-years (24.7 pc)
its light left it80.5 years ago
luminosity28 × the Sun
radius2.32 × the Sun
surface temperature8,720 K
constellationUrsa Major (Great Bear)

Read off the piece’s own catalogue, the same values it draws with.

About Megrez

The facts describe a white star, larger and more luminous than the Sun, still burning hydrogen in its core.

It joins the bowl to the handle, and it is noticeably fainter than the other six stars of the Plough. The name comes from the Arabic for the root of the bear’s tail. Megrez is a member of the Ursa Major moving group, travelling through space with Merak, Phecda, Alioth and Mizar.

What you see in the piece

In the piece Megrez stays near its companions of the moving group when you fly out; Dubhe and Alkaid, at the ends of the figure, separate from it.

Questions

Which is the faintest star of the Plough?

Megrez, where the handle joins the bowl. It is 80.5 light-years (24.7 pc) away, with 28 times the Sun’s luminosity.

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