« previous next »

Author Question: What is the approximate surface temperature of a star with weak hydrogen absorption lines and strong ... (Read 57 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
What is the approximate surface temperature of a star with weak hydrogen absorption lines and strong absorption lines of ionized calcium?
 
  A) 4,500 K B) 6,500 K C) 5,500 K D) 3,500 K

Question 2

Which jovian planet should have the most extreme seasonal changes?
 
  A) Uranus B) Saturn C) Neptune D) Jupiter


tkempin

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Imaginary Thoracic Lines, Left Lateral View Imaginary Thoracic Lines, Left Lateral View
Isotopes of Hydrogen Isotopes of Hydrogen
Surface Features on Europa Surface Features on Europa
Temperature Changes on Heart Rate Temperature Changes on Heart Rate
World Distribution of Temperature World Distribution of Temperature
Adiabatic Temperature Changes Adiabatic Temperature Changes
Video: Male Reproductive System - Testosterone

For a complete list of videos, visit our video library