The exercise is to decide whether the question accepts the proposed suggestion as a correct answer. If yes, write "True", otherwise write "False".
Question: when is halley's comet next
Suggestion: These observations supported a number of longstanding hypotheses about comet construction, particularly Fred Whipple 's "dirty snowball" model, which correctly predicted that Halley would be composed of a mixture of volatile ices – such as water , carbon dioxide and ammonia – and dust .
