例文
- "' Delta 1 Lyrae "'( ? 1 Lyr ) is a binary star system in the constellation Lyra, approximately 1, 100 light years away from Earth.
- It began life as a hot blue main sequence star, but now is a large cool asymptotic giant branch star with a Delta 1 Lyrae, but it does not, only appearing to do so if seen from earth's direction.