« previous next »

Author Question: ____________________ are groups of 100,000 to 1,000,000 population II stars firmly bound by gravity. ... (Read 85 times)

nummyann

  • Hero Member
  • *****
  • Posts: 576
on: Jul 27, 2018
___________________ _ are groups of 100,000 to 1,000,000 population II stars firmly bound by gravity.
 
  Fill in the blank(s) with correct word

Question 2

A jet has an angular length of 10 seconds of arc and flows from a star at a distance of 2,000 pc. How far does this jet extend away from the star?
 
  a. 20,000 pc
  b. 20,000 AU
  c. 20, 000 ly
  d. 20,000 miles
  e. 20,000 km


tdewitt

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 27, 2018
Answer to Question 1

Globular clusters

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Gravity Gravity
Projections of the Racial-Ethnic Makeup of the U.S. Population Projections of the Racial-Ethnic Makeup of the U.S. Population
Population Density Population Density
Time vs. USA Population Exponential Time vs. USA Population Exponential
Bacteria Population Bacteria Population
Translation at endoplasmic reticulum–bound ribosomes and the signal hypothesis Translation at endoplasmic reticulum–bound ribosomes and the signal hypothesis
Video: Virtual Tour of the Heart

For a complete list of videos, visit our video library