someone who studies astronomy
astronomer
a suggestion, sometimes a written one
proposal
an event to celebrate or introduce something new
launch
having a strong wish to be successful, powerful, or rich
ambitious
something that exists and can be seen, felt, tasted, etc., especially something unusual or interesting
phenomenon
something that has never been made before, or the process of creating something that has never been made before
invention
something that encourages a person to do something
incentive
the process of giving things out to several people, or spreading or supplying something
distribution
the act of looking at something carefully, or an official visit to a building or organization to check that everything is correct and legal
inspection
using new methods, ideas, substances, etc. that have not been tried before, usually in order to find out what effect they have
experimental