/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 5 What's the difference between in... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 16: Problem 5

What's the difference between inferior and superior planets?

Short Answer

Expert verified
Inferior planets have smaller orbits than Earth, while superior planets have larger orbits.

Step by step solution

01

Understanding Planetary Classification

Planets in our solar system are categorized based on their orbits relative to Earth's. Inferior and superior planets refer to planets' positions in relation to Earth's orbit around the Sun.
02

Identify Inferior Planets

Inferior planets are those that have orbits smaller than Earth's orbit. These include Mercury and Venus. They are called inferior because they orbit the sun within Earth's orbit.
03

Identify Superior Planets

Superior planets have orbits larger than Earth's orbit. This category includes Mars, Jupiter, Saturn, Uranus, and Neptune. They orbit the sun outside of Earth's orbit.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Inferior Planets
Inferior planets are distinguished by their orbits being smaller than that of Earth's orbit around the Sun. Mercury and Venus are the two planets classified as inferior. This classification implies that these planets lie between Earth and the Sun in the solar system.

The position of inferior planets allows them to exhibit specific astronomical phenomena:
  • They display phases similar to the Moon, showing changes from new to full.
  • They can never be seen at midnight from Earth, as they are always closer to the Sun than Earth is.
  • They can sometimes transit across the face of the Sun, an event observable from Earth when the planet passes directly between Earth and the Sun.
Understanding the orbital characteristics of inferior planets helps astronomers predict their appearance in our sky and study their transits.
Superior Planets
Superior planets are those with orbits larger than Earth's orbit. This group consists of Mars, Jupiter, Saturn, Uranus, and Neptune. Because they orbit the Sun beyond Earth's pathway, these planets have distinct viewing and movement traits when observed from Earth.

Some key things about superior planets include:
  • They can be seen from Earth at any time of night, often shining brightly.
  • They never show phases like inferior planets do because they are always fully illuminated from Earth's viewpoint.
  • These planets do not transit across the Sun as seen from Earth due to their outer orbits.
Superior planets move more slowly across the sky compared to the quicker inner planets, and their larger orbits mean their revolutions around the Sun take much longer.
Orbit Sizes
The concept of orbit sizes is essential to understanding how planets are classified as inferior or superior. The size of a planet's orbit relative to Earth's determines its classification and influences how we observe it from Earth.

Here's how orbit size affects planetary behavior:
  • Planets with smaller orbits than Earth (inferior planets) complete their orbits around the Sun faster, which is why they appear to move quickly in our sky.
  • Planets with larger orbits (superior planets) take longer to circle the Sun, causing slower apparent movement across our sky.
  • The size of an orbit also impacts the apparent brightness and visibility of a planet throughout the night.
Studying orbit sizes helps astronomers understand the distinct paths and behaviors of planets within the solar system.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

What is astrometry?

When is the speed of a planet revolving around the Sun the slowest?

Why can鈥檛 we see the surface of Venus?

What is an astronomical unit?

Which planets have large, distinguishing "spots"' and what are these spots called?
See all solutions

Recommended explanations on Physics Textbooks

Thermodynamics

Read Explanation

Magnetism

Read Explanation

Wave Optics

Read Explanation

Modern Physics

Read Explanation

Electrostatics

Read Explanation

Space Physics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.