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

Author Question: How can we explain the presence of extrasolar planetary systems with Jovian-sized planets at ... (Read 161 times)

panfilo

  • Hero Member
  • *****
  • Posts: 572
on: Jul 27, 2018
How can we explain the presence of extrasolar planetary systems with Jovian-sized planets at distances at which we normally find terrestrial planets?
 
  A) they are brown dwarfs that were captured by their parent stars
  B) these are massive terrestrial planets that formed close to their parent stars
  C) they are Jovian planets that were spun out from their rapidly spinning parent stars
  D) the Jovian planets formed farther out and then migrated inward

Question 2

What is the K-T boundary?
 
  A) a layer of dark sediment in the geological record formed at the same time humans learned to use fire
  B) a boundary between rocks containing the oldest life and older rocks that contained no life
  C) a boundary between the Earth's crust and the molten rock beneath it
  D) a layer of dark sediment in the geological record separating the Cretaceous and Tertiary periods of Earth's history


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Madisongo23

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


panfilo

  • Member
  • Posts: 572
Reply 2 on: Jul 27, 2018
Excellent

amcvicar

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut
The Magnetic Fields of Five Planets The Magnetic Fields of Five Planets
In a developmental systems approach, the emergence of social smiling at 6 to 8 weeks of age is not ... In a developmental systems approach, the emergence of social smiling at 6 to 8 weeks of age is not ...
Other Body Systems Help You Use Digested Nutrients Body systems Other Body Systems Help You Use Digested Nutrients Body systems
Modern Systems Analysis and Design (4th Edition) Modern Systems Analysis and Design (4th Edition)
Terrestrial Planets "الكواكب الأرضية" Terrestrial Planets "الكواكب الأرضية"
Video: Causes of Acne

For a complete list of videos, visit our video library