Related hashtags are those words that are most commonly used on Instagram in posts with a searched word.
The top 10 related hashtags in the country USA used with hashtag astronomy are astronomy space astrophotography science universe stars nasa moon milkyway and galaxy.
Next related hashtags on Instagram used with word astronomy are nightsky nature photography astronaut cosmos sky telescope art longexposure planets earth nightphotography hubble landscape astrophysics night star solarsystem milkywaychasers and spacex.
Put hashtags into the post or as the first comment below your post.