A total solar eclipse happens when the moon (7) ___ of the sun from view. This celestial phenomenon momentarily turns day to night. Totality means the sun's corona becomes a (8) ___ than the sun's disc. This makes it easier for scientists to observe and study the sun. Dr Amir Ca...
This is the first time an asteroid occulting a star can be seen in North America since 1975, when such predictions became readily available. The star, known as Tejat, is bright enough to be seen with the naked eye. The asteroid is very faint -- about 18,000 times fainter than the ...