The hst cost about $1.7 billion for construction and $300 million for its shuttle launch, and it costs $250 million per year to operate. if the telescope lasts for 20 years, what is the total cost per year? per day? if the telescope can be used just 30% of the time for actual observations, what is the cost per hour and per minute for the astronomer’s observing time on this instrument? what is the cost per person in the united states? was your investment in the hubble space telescope worth it?