heliometer   (TTS Sound)

The heliometer has 1 Senses.

• heliometer
• 太陽儀
• an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope
• 普通の望遠鏡の視野に含まれるにはあまりにかけ離れている2つの星の角度分離を測るのに用いられる器具