Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

Why are stars blue?


The hottest stars appear blue because most energy is emitted in the bluer parts of the spectrum. Blue stars are hot because they are so much more massive than cooler stars like our Sun.

{{ relativeTimeResolver(1593476682608) }}

LIVE
Points points 61
Rating

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE