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

Author Question: What is a key limitation to traveling outside our Solar System in search for life? a. We have the ... (Read 82 times)

Sufayan.ah

  • Hero Member
  • *****
  • Posts: 512
on: Jul 27, 2018
What is a key limitation to traveling outside our Solar System in search for life?
 
  a. We have the wrong type of fuel source to power a spacecraft.
 b. We lack spacecraft that can escape Earth's gravity.
 c. We lack a decent place to send spacecraft outside of our Solar System.
 d. We have no way to communicate with an alien civilization.
 e. We have not yet been able to develop the technology to travel far distances.

Question 2

A low-luminosity star has a small and narrow ____, whereas a high-luminosity star has a large and wide one.
 
  a. UV range
 b. life capability
 c. habitable zone
  d. adaptable zone
  e. water hole


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kilada

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 27, 2018
Answer to Question 1

e

Answer to Question 2

c


Sufayan.ah

  • Hero Member
  • *****
  • Posts: 512
Reply #2 on: Jul 27, 2018
Thank you!


kilada

  • Sr. Member
  • ****
  • Posts: 311
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

A classification system for living and extinct organisms. A classification system for living and extinct organisms.
Taken by Hinode's Solar Optical Telescope on January 12, 2007, this image of the Sun reveals th Taken by Hinode's Solar Optical Telescope on January 12, 2007, this image of the Sun reveals th
Life Life
lymphatic system lymphatic system
What is the meaning of life? What is the meaning of life?
Male Reproductive System - Testes Male Reproductive System - Testes
Video: Metaphase I Animation

For a complete list of videos, visit our video library