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

Author Question: Discuss why astronomers no longer consider Pluto a planet. What will be an ideal ... (Read 71 times)

imowrer

  • Hero Member
  • *****
  • Posts: 514
on: Jul 27, 2018
Discuss why astronomers no longer consider Pluto a planet.
 
  What will be an ideal response?

Question 2

What observations suggest that Triton has had an active crust?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Swizqar

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 27, 2018
Answer to Question 1

A bit of comparative planetology shows that Pluto is not related to the Jovian or Terrestrial planets; it is obviously a member of a newfound family of worlds that orbit beyond Neptune. These bodies must have formed at about the same time as the eight classical planets of the Solar System, but they did not grow massive enough to clear their orbital zones of remnant planetesimals and consequently remain embedded among a swarm of other objects in the Kuiper Belt.

Answer to Question 2

By counting craters on Triton, planetary scientists conclude that the surface has been active as recently as a million years ago and may still be active.


imowrer

  • Member
  • Posts: 514
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

dyrone

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Longer regions have more crossovers and thus higher recombinant frequencies Longer regions have more crossovers and thus higher recombinant frequencies
Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind
Discovery of Pluto Discovery of Pluto
Our planet absorbs solar radiation Our planet absorbs solar radiation
Planet Earth compared to all its water and air! Planet Earth compared to all its water and air!
A Changing Planet — 1e A Changing Planet — 1e
Video: Hierarchical Sequencing Method - Sequence Tagged Sites

For a complete list of videos, visit our video library