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

Author Question: How long does it take for a star like our Sun to form? A) 100 thousand years B) Two million ... (Read 37 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
on: Jul 27, 2018
How long does it take for a star like our Sun to form?
 
  A) 100 thousand years
  B) Two million years
  C) Fifty million years
  D) One billion years
  E) 4.6 billion years

Question 2

What is the goal of comparative planetology?
 
  A) to use planetary positions to foretell the future
  B) to find which planets will be most suitable for future colonization
  C) to help plan future visits by unmanned probes, orbiters, and rovers
  D) to determine the origin and evolution of the solar system
  E) to find out how our own solar system compares with extrasolar ones


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

LP

  • Sr. Member
  • ****
  • Posts: 302
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


strangeaffliction

  • Member
  • Posts: 660
Reply 2 on: Jul 27, 2018
Gracias!

mcarey591

  • Member
  • Posts: 365
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Local/long distance cell Signaling Local/long distance cell Signaling
Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo
Having a time zone map located near the telephone will assist you when making long distance calls ou Having a time zone map located near the telephone will assist you when making long distance calls ou
A completed CMS-1500 (02/12) claim form. A completed CMS-1500 (02/12) claim form.
Perform the indicated division (long division polynomials) Perform the indicated division (long division polynomials)
Video: Erythropoietin (EPO)

For a complete list of videos, visit our video library