Rarely.
But if a star that is normally visible with the naked eye during the night does go supernova, you will definitely see it -some have. In some cases it may even be visible during the day.
That would have a lot to do with where it's located, as there are stars spread
between roughly 4.2 and 13.5 billion light years from us.
If it's near enough and bright enough so that it peaks brighter than a visual
magnitude of 5 or 6, then it would be naked-eye visible from Earth.
Yes. many have been. SN1054 [See related link] was visible during the day for 23 days.
No. They are too small and have very little luminosity. Also, they are a long way away. The closest known pulsar is about 280 light years from us.
Something that is so small that you cannot see it with the naked eye but must use a microscope to observe it
Because, it is too small to see with the naked eye.
No. Not even close.
NO.
Yes, you can even see it with the naked eye.
When you look at your blood with the naked eye all you see is red liquid. This is all anyone sees with the naked eye.
The term "naked eye" means that there is nothing helping the eye to see. for example, if you are using glassess or a telescpoe, then you are not using the naked eye.
You have a 3rd eye
Something that is so small that you cannot see it with the naked eye but must use a microscope to observe it
No. You can see leeches with the naked eye. Anything you can see with the naked eye is multicellular.
Around 2500-5000 visible stars with the naked eye.
Because, it is too small to see with the naked eye.
no.
no not with the naked eye
It would depend on the type of salt. If it's normal table salt, then no, you cannot see it with the naked eye.
No you can not see it with your naked eye.
Gross, such as gross anatomy. It means to see with the naked eye or without aide of a microscope.