This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The dense disks of gas and dust such as those seen around the stars in Orion are sites where planets ... (Read 28 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 27, 2018
The dense disks of gas and dust such as those seen around the stars in Orion are sites where planets could be forming right now.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Careful measurements reveal that a star maintains a steady apparent brightness at most times, except that at precise intervals of 93 hours. the star becomes dimmer for about 2 hours. The most likely explanation for this is that the star ________.
 
  a. has a very large sunspot on its surface
 b. is a member of an eclipsing binary star system
 c. is a white dwarf
 d. is a Cepheid variable
 e. is periodically ejecting gas into space, every 93 hours


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Beatricemm

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 27, 2018
Answer to Question 1

True

Answer to Question 2

b


mia

  • Member
  • Posts: 564
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Mutant sites in the PKU gene Mutant sites in the PKU gene
Peripheral Pulse Sites Peripheral Pulse Sites
IM Injection Sites IM Injection Sites
Classifying the Spectra of Stars Classifying the Spectra of Stars
New Yorkers flee from the dust caused by the collapse of the twin towers of the World Trade Center f New Yorkers flee from the dust caused by the collapse of the twin towers of the World Trade Center f
Ribosome structure and tRNA-binding sites interpreted from cryo-EM–generated data Ribosome structure and tRNA-binding sites interpreted from cryo-EM–generated data
Video: How do the different types of chromatography work? (No Audio)

For a complete list of videos, visit our video library