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

Author Question: What do we mean by the period of heavy bombardment in the context of the history of our solar ... (Read 93 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
on: Jul 27, 2018
What do we mean by the period of heavy bombardment in the context of the history of our solar system?
 
  A) the first few hundred million years after the planets formed, which is when most impact craters were formed
  B) the time before planetesimals finished accreting into planets, during which many growing planetesimals must have shattered in collisions
  C) the time during which heavy elements condensed into rock and metal in the solar nebula
  D) the period about 65 million years ago when an impact is thought to have led to the extinction of the dinosaurs

Question 2

How much brighter is a Sun-like star than the reflected light from a planet orbiting around it?
 
  A) a hundred times brighter
  B) a thousand times brighter
  C) ten thousand times brighter
  D) a million times brighter
  E) a billion times brighter


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juwms

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

E


plus1

  • Member
  • Posts: 676
Reply 2 on: Jul 27, 2018
:D TYSM

CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Dentition of a collared peccary, as illustrated in Knight's Sketches in Natural History Dentition of a collared peccary, as illustrated in Knight's Sketches in Natural History
Major Events in the History of Psychology (4 of 6) Major Events in the History of Psychology (4 of 6)
Solar power in Nunavut Solar power in Nunavut
History of Gmail History of Gmail
History Questions History Questions
Variation in Solar Intensity With Latitude Variation in Solar Intensity With Latitude
Video: How a Urinalysis is Performed

For a complete list of videos, visit our video library