Ah hah! Read this.
Aurora : A luminous atmospheric phenomenon appearing as streamers or bands of light sometimes visible in the night sky in northern or southern regions of the earth. It is thought to be caused by charged particles from the sun entering the earth's magnetic field and stimulating molecules in the atmosphere.

Maaan. i've GOT to see one.

:)
And i did my research. It isn't Alcatross, It's Albatoss. A bird.
hah. Ms Chew...
i knew i was right Qianyi :)