![subject](/tpl/images/cats/himiya.png)
The sun and stars give off radiant energy. observation of a star's radiant energy enables us to study the star’s composition and which factor? a. the number of stars in its galaxy b. the distance to the center of its galaxy c. whether it is moving toward us or away from us d. the number of planets in its solar system
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 04:30
How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:30
Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:00
In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
Answers: 1
You know the right answer?
The sun and stars give off radiant energy. observation of a star's radiant energy enables us to stud...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 18.03.2021 03:30
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 03:30
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 18.03.2021 03:30
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 03:30
![question](/tpl/images/cats/fizika.png)
Physics, 18.03.2021 03:30
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 18.03.2021 03:30
![question](/tpl/images/cats/istoriya.png)
History, 18.03.2021 03:30
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 03:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/nemec.png)
German, 18.03.2021 03:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 18.03.2021 03:30
![question](/tpl/images/cats/istoriya.png)
History, 18.03.2021 03:30
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 03:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 18.03.2021 03:30