Interstellar dust is effective at blocking visible light because Choose one: A. the dust is so dense. B. dust grains are so smal
1 answer:
Answer: Interstellar dust is effective at blocking visible light because dust grains are so small.
Explanation: To find the answer, we need to know more about the interstellar dust.
<h3>What is interstellar dust?</h3>- Interstellar dust developed from dying stars as they burn out.
- This dust can block the visible light as well as UV emerging from the stars, because dust grains can block light at optical wavelengths.
- it absorbs and scatters blue light more than red. thus, red light can pass through it.
- If we place a star behind the dust, it will look more redder than its usual color. This is called interstellar reddening.
- Grains have a typical size of
.
Thus, we can conclude that, Interstellar dust is effective at blocking visible light because dust grains are so small.
Learn more about the interstellar dust here:
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