This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: and they give off tons of radiation in the form of light and various other kinds. Planets on the other hand are relatively small, on a cosmic scale, and do not produce any noticeable emissions. Since the closest stars to the Earth are light years away, that large distance combined with the small size of planets makes detecting them very difficult. Also, the emissions of the stars that planets would be orbiting could easily obscure the view of the planets The simple answer is the size of the planets and the distance involved. Stars are easy to see (Because they are simply so small and so insignificant in comparison to their parent star, that they are out shined and out weighed.) 6, What does the size of the star image in a photograph tell you? The size of a star image in a photograph tells you only how bright it looks ....
View Full Document
This note was uploaded on 11/02/2009 for the course ARTS arts 101 taught by Professor Tims during the Fall '09 term at DeAnza College.
- Fall '09