Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Dr Hallis, who is a member of the campaign's science group, said the Rum rocks were an "excellent comparison" to those in the Mars crater, as they were "characterised by the mineral olivine".
Source: https://www.bbc.co.uk/news/uk-scotland-highlands-islands-66337132?at_medium=RSS&at_campaign=KARANGA