en_tn_lite_do_not_use/act/07/55.md

looked up intently into heaven

"Stared up into heaven." It appears that only Stephen saw this vision and not anyone else in the crowd.

saw the glory of God

People normally experienced the glory of God as a bright light. Alternate translation: "saw a bright light from God" (See: rc://en/ta/man/translate/figs-explicit)

and he saw Jesus standing at the right hand of God

To stand at the "right hand of God" is a symbolic action of receiving great honor and authority from God. Alternate translation: "and he saw Jesus standing in the place of honor and authority beside God" (See: rc://en/ta/man/translate/translate-symaction)