Looking on the internet deeply has found these results:

this is a sun is the most popular phrase on the web.

this is the sun 17,890 results on the web	this is a sun 14,340,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
(508a) Glaucon responds that both he and all others would answer that this is the sun. Analogously, Socrates says, as the sun illuminates the visible with light so�... This is the sun your eyes can't see. And you thought it was just yellow� Sarah Eberspacher. Turns out, that big object in the sky is pretty psychedelic. At least, it �... axis (or horizontal axis) represents the range �... As this spectral distribution is close to what the sun emits, we can say that this is the sun's emission spectrum. The x Asks if this is the sun or is it. And they ask if this is a flower or is it. And they ask if this is a lion or is it. They ask if this is a pink worm or is it. They ask if this is a�...	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

this is the sun

17,890 results on the web

this is a sun

14,340,000 results on the web

More popular!

(508a) Glaucon responds that both he and all others would answer that this is the sun. Analogously, Socrates says, as the sun illuminates the visible with light so�...
This is the sun your eyes can't see. And you thought it was just yellow� Sarah Eberspacher. Turns out, that big object in the sky is pretty psychedelic. At least, it �...
axis (or horizontal axis) represents the range �...
As this spectral distribution is close to what the sun emits, we can say that this is the sun's emission spectrum. The x
Asks if this is the sun or is it. And they ask if this is a flower or is it. And they ask if this is a lion or is it. They ask if this is a pink worm or is it. They ask if this is a�...

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.