Its precision, its accuracy, and its continuity did.
Arguably, Mahatma Gandhi's most valuable contribution to society was not the independence of India, since that would have come sooner or later anyway. His most valuable contributions were the demonstration of people power and that passive resistance works.
Astronomers have not yet made any findings regarding the possibility of life on Mars.
To learn what they are made of.
What elements the star is made of.
Our Solarsystem
They are valuable because they are made of 90% silver.
Back in the older times astronomers didn't have our current instruments, but as time went on technology advanced and made it easier for astronomers to do what they do. But to answer your question astronomers depend on Technology because they want accurate observations and plus like i said earlier it is easier to use technology.
The Great Lakes made the Northwest Territory so valuable.
idk im the best
Jewelry is valuable due to the materials it is made up of. Jewelries are usually made of valuable minerals such as gold, diamond, and ruby; all of which have high and appreciating market value.
Gold is valuable because it is rare, durable, pretty and extremely useful.
Both are wrong astronomers made stuff up because they couldn't see anything and they could not prove anything.