« previous next »

Author Question: A future news release might report that a new planet has been found around a star very similar to ... (Read 41 times)

OSWALD

  • Hero Member
  • *****
  • Posts: 580
on: Jul 27, 2018
A future news release might report that a new planet has been found around a star very similar to our Sun. The system contains other planets as well like our solar system. This newly discovered planet is claimed to have a mass 40 times that of Earth and is located nearly 25 AU from the star it orbits. Which of the following would be a reasonable prediction about this planet, assuming it formed like our solar system? I. The planet will probably have a mean density of around 5 g/cm3. II. The planet will probably have a radius of around five to ten times greater than Earth's. III. The planet will probably have several satellites. IV. The planet will probably have a composition that is mostly hydrogen and helium.
 
  a. I & IV
  b. I, II, & III
  c. II, III, & IV
  d. I, II, & IV
  e. I, II, III, & IV

Question 2

Which one of the following IS NOT a characteristic of terrestrial planets?
 
  a. low average density
  b. orbits inside the asteroids
  c. craters in old surfaces
  d. small diameters
  e. very few satellites


parshano

  • Sr. Member
  • ****
  • Posts: 333
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?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

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?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

The Sun is the nearest star to Earth. The Sun is the nearest star to Earth.
Bony processes found on the femur. Bony processes found on the femur.
The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue
After the death of a loved one, family members report concerns about last place of care. After the death of a loved one, family members report concerns about last place of care.
Similar, But Not Related Similar, But Not Related
Video: Structures that affect circulation - kidneys, blood volume and venous tone

For a complete list of videos, visit our video library