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

Author Question: Why does ion propulsion, which expels material much faster than ordinary chemical rockets, hold such ... (Read 74 times)

Diane

  • Hero Member
  • *****
  • Posts: 576
on: Jul 27, 2018
Why does ion propulsion, which expels material much faster than ordinary chemical rockets, hold such promise for future space travel?
 
  What will be an ideal response?

Question 2

Theoretical calculations suggest that Earth-sized planets could be habitable on their surfaces outside of habitable zones if they
 
  A) have thick, hydrogen atmospheres
  B) have thick carbon dioxide atmospheres
  C) are tidally heated by several large moons
  D) have larger irons cores


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcinincha279

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 27, 2018
Answer to Question 1

Much less fuel is needed since the same impulse can be delivered to the rocket by less mass expelled at greater speed.

Answer to Question 2

A


Diane

  • Member
  • Posts: 576
Reply 2 on: Jul 27, 2018
Gracias!

Jsherida

  • Member
  • Posts: 314
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

The chemical structure of mescaline, derived from the peyote cactus. The chemical structure of mescaline, derived from the peyote cactus.
Material Balance over #3 Heat Exchanger Material Balance over #3 Heat Exchanger
Sheets are the most commonly used draping material. Sheets are the most commonly used draping material.
Mobilize each metatarsal–phalangeal joint with figure-8s. Hold the tarsal just below the ... Mobilize each metatarsal–phalangeal joint with figure-8s. Hold the tarsal just below the ...
Examples of the action of chemical mutagen Examples of the action of chemical mutagen
Video: Natural Selection, Species Isolation and Real World Example

For a complete list of videos, visit our video library