This topic contains a solution. Click here to go to the answer

Author Question: Why did Carl Sagan say that we are star stuff? A) The composition of most stars (mostly hydrogen ... (Read 73 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
Why did Carl Sagan say that we are star stuff?
 
  A) The composition of most stars (mostly hydrogen and helium) is about the same as the composition of our bodies.
  B) Cosmic rays reaching Earth from distant astronomical sources may be one source of mutations that help evolution along.
  C) Nearly every atom from which we are made once (before the solar system formed) was inside of a star.
  D) Nearly every atom from which we are made was once inside our star, the Sun.
  E) Sagan thought that all of us have the potential to be movie (or TV) stars like he was.

Question 2

What happens to most of the solar neutrinos between the Sun's core and Earth?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xMRAZ

  • Sr. Member
  • ****
  • Posts: 363
Answer to Question 1

C

Answer to Question 2

Two-thirds of them decay into a new form, only recently observed by Japanese physicists.




NguyenJ

  • Member
  • Posts: 516
Reply 2 on: Jul 27, 2018
Gracias!


jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

For a complete list of videos, visit our video library