Questions tagged [on-topic]

The tag has no usage guidance.

1 question with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
3
votes
0answers
48 views

Nuclear physics, relativity theory and quantum mechanic on Astronomy SE

Are questions about nuclear physics, relativity theory and quantum mechanics on topic? I'm asking this because I'm trying to send a question about relativity theory on SE. But I don't know where can I ...