Questions with the keyword 'galaxy'

• Galaxies look stationary, so why do scientists say that they rotate? by Mason The Amazing :) to Andrew, Hina, Ian, Kathryn, Leah-Nani, Xu Comments: (No comments so far )
• How does looking at distant galaxies allow us to look back in time? by Mason The Amazing :) to Andrew, Hina, Ian, Kathryn, Leah-Nani, Xu Comments: (No comments so far )