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

Author Question: Which of the following best describes the current scientific view of possibilities of travel to ... (Read 46 times)

vicky

  • Hero Member
  • *****
  • Posts: 586
on: Jul 27, 2018
Which of the following best describes the current scientific view of possibilities of travel to distant parts of our galaxy (or universe) with such things as hyperspace, wormholes, or warp drive?
 
  A) We do not know if travel in any of these ways is really possible, but they do not contradict any known laws of physics.
  B) There is no doubt that such travel is possible, though it remains well beyond our current technology.
  C) They sound like fun, but they are not possible because they allow faster-than-light travel.
  D) They seemed to be allowed by special relativity, but general relativity does not allow for them.

Question 2

If we compress the entire history of the into one year, each day represents
 
  A) about a billion years
  B) a few tens of millions of years
  C) a few hundred years
  D) a few million years


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

josephsuarez

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


vicky

  • Member
  • Posts: 586
Reply 2 on: Jul 27, 2018
Gracias!

jordangronback

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Artist's rendition of the view from a hypothetical airless planet orbiting Alpha Centauri A Artist's rendition of the view from a hypothetical airless planet orbiting Alpha Centauri A
The oral cavity. Anterior view of the open mouth. The oral cavity. Anterior view of the open mouth.
When the exhaust is rich, the PCM applies a negative current into the pump cell. When the exhaust is rich, the PCM applies a negative current into the pump cell.
Right lateral view of skull Right lateral view of skull
Tubular portion of one nephron, cutaway view. The tubule starts at Bowman’s capsule. Tubular portion of one nephron, cutaway view. The tubule starts at Bowman’s capsule.
Video: Definition of heart rate

For a complete list of videos, visit our video library