I learned now at least that our parallax measurements have been improved but they are still limited to tens of thousands of light years, i.e not reaching out of

I learned now at least that our parallax measurements have been improved but they are still limited to tens of thousands of light years, i.e not reaching out of the galaxy, see https://en.wikipedia.org/wiki/Stellar_parallax#Space_astrometry https://en.wikipedia.org/wiki/Stellar_parallax#Space_astrome...