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

Author Question: Observed temperature fluctuations in the Cosmic Microwave Background Radiation are: A) millions ... (Read 37 times)

cookcarl

  • Hero Member
  • *****
  • Posts: 539
on: Jul 27, 2018
Observed temperature fluctuations in the Cosmic Microwave Background Radiation are:
 
  A) millions of kelvins.
  B) hundreds of kelvins.
  C) a few kelvins.
  D) tens of millionths of a kelvin.
  E) immeasurably small.

Question 2

Why was the summer of 2003 a fine time for Mars observers?
 
  A) The Mars Rovers returned live images from the surface.
  B) The skies were unusually clear and calm.
  C) Mars' north pole was tilted to face the Earth head-on.
  D) Mars was closer to us than it has been in over 50,000 years.
  E) Mars was even brighter than Venus for several weeks.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

swimkari

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


cookcarl

  • Member
  • Posts: 539
Reply 2 on: Jul 27, 2018
Gracias!

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int
Measuring Oral Temperature Using an Electronic Thermometer Measuring Oral Temperature Using an Electronic Thermometer
Optical and Radiation Pyrometry Experiment Optical and Radiation Pyrometry Experiment
Changes in Radiation-Absorbing Gases Changes in Radiation-Absorbing Gases
An 80-g aluminum calorimeter contains 380 g of water at an equilibrium temperature of A piece ... An 80-g aluminum calorimeter contains 380 g of water at an equilibrium temperature of A piece ...
The Cosmic Calendar: Concepts of Time The Cosmic Calendar: Concepts of Time
Video: Protein catabolism (Krebs cycle) and Protein anabolism (protein synthesis)

For a complete list of videos, visit our video library