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

Author Question: What is the meaning of a closed universe? A) The universe will expand forever. B) The universe ... (Read 40 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
on: Jul 27, 2018
What is the meaning of a closed universe?
 
  A) The universe will expand forever.
  B) The universe will someday stop expanding and start to collapse.
  C) The universe will stop expanding in an infinite amount of time.
  D) The universe is in a steady-state.
  E) The universe will disappear into a white hole in time.

Question 2

Would an observer on Mercury see the Sun rise in the east or the west?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

DylanD1323

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

Most of the time, the Sun would appear to move east to west from Mercury's surface. Near perihelion, however, the Sun goes into retrograde for a few days and moves west to east.


Pineappleeh

  • Member
  • Posts: 585
Reply 2 on: Jul 27, 2018
Wow, this really help

helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

The Scales of the Universe The Scales of the Universe
Structure of the Early Universe Structure of the Early Universe
Structure of the Early Universe Structure of the Early Universe
APPLYING A STERILE GOWN AND PERFORMING CLOSED GLOVING 6 APPLYING A STERILE GOWN AND PERFORMING CLOSED GLOVING 6
Rapping. Tapotement performed with the knuckles of a loosely closed fist, as if rapping lightly on a ... Rapping. Tapotement performed with the knuckles of a loosely closed fist, as if rapping lightly on a ...
The Universe According to Ptolemy, Second Century A.D. The Universe According to Ptolemy, Second Century A.D.
Video: Proteins

For a complete list of videos, visit our video library