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European Space Agency
Provides four interactive versions of exercises in PDF format for use in high school focusing on measurements of distances in the Universe including determining the distance of astronomical objects such as the supernove SN1987A, the spiral galaxy Messier 100, the Cat's Eye Planetary Nebula and the globular cluster Messier 12.
| Publisher | ESA |
|---|---|
| Format | [electronic resource] |
| Search language | english |
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