I enjoyed a picnic under the summer sky.

What will you use this empty box for?

Looking at the bird flying high in the sky, I felt freedom.

The air in this room is fresh.

As an astronomer, he is dedicated to the study of binary stars.

Looking up at the heavenly bodies, I feel calm.

The starspotted smooth-hound is a fish with a beautiful pattern like the night sky.

Finding an asterism is a great joy for astronomers.

Interstellar travel is still a realm of dreams for mankind.

Every year on July 7th is the day when the star Vega (Orihime) and Altair (Hikoboshi) meet.