Boon
Telescope eyepieces are important of any visual telescope. It is the main part of the telescope and is what determines how the object will look like through the telescope.
simplest possible telescope
The focal length of a telescope is directly related to the magnification in that the longer the focal length, the more magnification you get from the telsceope. How the focal length of a telescope relates to the length of the telescope itself depends on the design of the telescope. In a refracting telescope, the focal length is approximately the length of the telescope. In a reflecting telescope, the focal length is roughly two time the length of the telescope.
The most powerful telescope is the Hubble telescope, please note you did not ask where.
She didn't invent the telescope, but she used a telescope to discover a comet.
Televisions can be considered to be boon and not curse.
Robots are a boon if we utilize it properly, and a curse if we do not.
Fashion can be boon for some. For others it is a curse.
A "boon" is a "benefit" or "bonanza"; in this context, a curse is the opposite.
it can be both a boon and a curse,it depends on how we use it.
a boon
BOON
I like them - so I vote boon.
it is a boon as we will have many chances to learn also.
It can be both a blessing (boon) and a curse (bane).
It is a boon for AYUSH medical industry.
Depends how you look at it. A boon for my behalf!