The most common and most likely answer to this crossword clue is the 10 letter word PLANETARIA
I've seen this crossword clue in The Daily Telegraph
P
L
A
N
E
T
A
R
I
A
Buddy explains!

The straight part
We know that "places to see stars" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case places to see stars = planetaria.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PLANETARIA mean?
PLANETARIA noun- A display museum in which images of stars and other astronomical phenomena are projected onto a domed ceiling.
- An orrery.