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Planets
It might sound strange because we live on one, but planets are some of the more mysterious members of the universe.
So far, no theory can fully explain how disks of gas and dust around stars form planets -- particularly rocky ones.
Not making matters easier is the fact that most of a planet is concealed beneath its surface. Advanced gadgetry can offer clues of what lies beneath, but we have heavily explored only a few planets in the solar system.
Only in 1999 was the first planet outside of our celestial neighborhood detected, and in November 2008 the first bona fide exoplanet images taken.
Planets
It might sound strange because we live on one, but planets are some of the more mysterious members of the universe.
So far, no theory can fully explain how disks of gas and dust around stars form planets -- particularly rocky ones.
Not making matters easier is the fact that most of a planet is concealed beneath its surface. Advanced gadgetry can offer clues of what lies beneath, but we have heavily explored only a few planets in the solar system.
Only in 1999 was the first planet outside of our celestial neighborhood detected, and in November 2008 the first bona fide exoplanet images taken.
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