You discover a Cepheid variable star with a 30 day period in the Milky Way. Through careful monitoring for a few years with the Hubble Space Telescope, you determine that it has a parallax of 0.004 arcseconds.

asked Jun 22, 2021 205k views

3 votes

8.7k points

Please log in or register to add a comment.

1 vote

Answer:c

Step-by-step explanation:

Bc it makes sense

8.5k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers