Яндекс.Метрика

Friday, November 18, 2022

🗽We are all "star stuff" 🚘

Question 
What do astronomers mean when they say that we are all "star stuff"? 

Answers:  

a. that life would be impossible without energy from the Sun 
b. that Earth formed at the same time as the Sun 
c. that the carbon, oxygen, and many elements essential to life were created by nucleosynthesis in stellar cores (Correct Answer)
d. that the Sun formed from the interstellar medium: the "stuff" between the stars 
e. that the Universe contains billions of stars

Thursday, July 28, 2022

Psychedelic Hypnotic Visual Illusion

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