« previous next »

Author Question: What do forbidden lines reveal about interstellar space? A) The density or pressure of this gas ... (Read 84 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
on: Jul 27, 2018
What do forbidden lines reveal about interstellar space?
 
  A) The density or pressure of this gas is much lower than can be produced in a laboratory.
  B) The laws of physics are not the same in space as they are on Earth.
  C) There are unknown elements in space that do not correspond to elements found on Earth.
  D) There are molecules found in meteorites and interstellar dust that are not found on Earth.
  E) All of the above are true.

Question 2

Studying the magnetospheres of the jovians has allowed us to measure their:
 
  A) rotation rates.
  B) orbital period.
  C) orbital radius.
  D) gravity.
  E) ring system diameters.


trog

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
Reply #2 on: Jul 27, 2018
Thank you!


trog

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Space-Beach Wallpaper Space-Beach Wallpaper
a) Thumb pressure with radial deviation b) Alternating stroke using ulnar deviation a) Thumb pressure with radial deviation b) Alternating stroke using ulnar deviation
Block Diagram of a Dual-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid Seme Block Diagram of a Dual-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid Seme
Direct pressure applied to a sinus reflex on the tip of a toe. Direct pressure applied to a sinus reflex on the tip of a toe.
Air Pressure and Altitude Air Pressure and Altitude
Physics - Density and Pressure Physics - Density and Pressure
Video: Chloroplast Structure & Light Dependent Reactions (Photosystem 1 and 2 Cyclic Electron Flow)

For a complete list of videos, visit our video library