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

Author Question: The Hubble time is a. the time it takes a galaxy moving at 1000 km/s to move 1 Mpc. b. the time ... (Read 152 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Jul 27, 2018
The Hubble time is
 
  a. the time it takes a galaxy moving at 1000 km/s to move 1 Mpc.
  b. the time it takes the galaxy to double its size.
  c. the time since recombination occurred.
  d. the time remaining before the Universe stops expanding and begins to contract.
  e. an estimate of the age of the Universe based on the Hubble constant.

Question 2

A Type II supernova produces a planetary nebula.
 
  a. True
  b. False
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

srodz

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 27, 2018
Answer to Question 1

e

Answer to Question 2

False


littleanan

  • Member
  • Posts: 575
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Pull-ups from shoulder to buttocks. (A) Move across the shoulder, fingertips between the ribs. (B) ... Pull-ups from shoulder to buttocks. (A) Move across the shoulder, fingertips between the ribs. (B) ...
Moving currents are affected by Earth’s rotation Moving currents are affected by Earth’s rotation
Fornax Galaxy Cluster Fornax Galaxy Cluster
physics question number 5 - moving conductors physics question number 5 - moving conductors
The Geologic Time Scale The Geologic Time Scale
Video: Digestive chemicals - water, gastric acid, bile & bicarbonate

For a complete list of videos, visit our video library