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 139 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
Gracias!

DylanD1323

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

True-color view of Mars seen through NASA's Hubble Space Telescope in 1999 True-color view of Mars seen through NASA's Hubble Space Telescope in 1999
Doppler Effect, Observer Moving Doppler Effect, Observer Moving
Navel–third eye. Move to the recipient’s right side. Lightly place your left thumb pad between ... Navel–third eye. Move to the recipient’s right side. Lightly place your left thumb pad between ...
Very nice definition of time Very nice definition of time
Disitive Time For Meat Disitive Time For Meat
The TaqMan approach to quantitative real-time PCR (qPCR) The TaqMan approach to quantitative real-time PCR (qPCR)
Video: Brain Anatomy Animation (Part 2 of 2)

For a complete list of videos, visit our video library