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

Author Question: A _____ is a collapsing cloud of gas and dust destined to become a star. A) protostar B) ... (Read 22 times)

gbarreiro

  • Hero Member
  • *****
  • Posts: 566
on: Jul 27, 2018
A _____ is a collapsing cloud of gas and dust destined to become a star.
 
  A) protostar
  B) protocloud
  C) stellar cluster
  D) stellar association

Question 2

Which of the following statements is true of protostars?
 
  A) They are luminous red objects.
  B) They are smaller than main-sequence stars.
  C) They have completely collapsed.
  D) They have temperatures that are more than 10,000 K.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


gbarreiro

  • Member
  • Posts: 566
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by
Cloud Types Cloud Types
Cloud Types: High Clouds Cloud Types: High Clouds
Cloud Types: Vertical Development Cloud Types: Vertical Development
Sea Star Body Plan Sea Star Body Plan
Video: Acid-base imbalances - compensation of respiratory acidosis and alkalosis

For a complete list of videos, visit our video library