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

Author Question: Emission nebulae are created by gas absorbing ultraviolet energy from the hot young stars within ... (Read 40 times)

lak

  • Hero Member
  • *****
  • Posts: 546
Emission nebulae are created by gas absorbing ultraviolet energy from the hot young stars within them, such as in the Orion Nebula.
 
  Indicate whether the statement is true or false

Question 2

William Herschel's attempt to map our Galaxy was based on ________ in different directions in space.
 
  Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kmb352

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

TRUE

Answer to Question 2

star counts




lak

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
Excellent


parshano

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

For a complete list of videos, visit our video library