Sinus Iridum

American  

[see-nuhs ir-i-duhm, sahy-] / ˈsi nəs ˈɪr ɪ dəm, ˈsaɪ- /

noun

1. (Bay of Rainbows ) a semicircular dark plain in the second quadrant of the face of the moon.

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Example Sentences

The photograph captures Sinus Iridum - also known as the Bay of Rainbows - a massive crater 260km across.

From BBC

"Shadow peaks of Sinus Iridum" by Gábor Balázs, from Hungary, took the top spot in the Our Moon category.

From BBC

State broadcaster broadcast live footage of Chang'e-3 taking photos of Yutu, including a close-up of the national flag on the Yutu, in a flat plain known as Sinus Iridum, Latin for Bay of Rainbows, an unvisited area in the moon's north.

From BBC

The landing site of Sinus Iridum is a flat volcanic plain, part of a larger feature known as Mare Imbrium that forms the right eye of the "Man in the Moon".

From BBC

The robotic vehicle rolled down a ramp lowered by the lander and on to the volcanic plain known as Sinus Iridum.

From BBC