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Question 18N.3.SL.TZ0.a

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Date November 2018 Marks available [Maximum mark: 2] Reference code 18N.3.SL.TZ0.a
Level SL Paper 3 Time zone TZ0
Command term Distinguish Question number a Adapted from N/A
a.
[Maximum mark: 2]
18N.3.SL.TZ0.a

A distinctive feature of the constellation Orion is the Trapezium, an open cluster of stars within Orion.

Distinguish between a constellation and an open cluster.

[2]

Markscheme

In cluster, stars are gravitationally bound OR constellation not ✔

In cluster, stars are the same/similar age OR in constellation not ✔

Stars in cluster are close in space/the same distance OR in constellation not ✔

Cluster stars appear closer in night sky than constellation ✔

Clusters originate from same gas cloud OR constellation does not ✔

Syllabus sections