« previous next »

Author Question: About how many galaxies are presently known in our Local Group? A) 3 B) 27 C) 55 D) 107 E) ... (Read 33 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
on: Jul 27, 2018
About how many galaxies are presently known in our Local Group?
 
  A) 3 B) 27 C) 55 D) 107 E) 254

Question 2

Contrast the orbits of comets and asteroids.
 
  What will be an ideal response?


fur

  • Sr. Member
  • ****
  • Posts: 309
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

Comet orbits are high in eccentricity and come from all directions in space; most are far beyond the orbit of Neptune during most of their orbits. Asteroid orbits are much more circular, and most lie close to the ecliptic between the orbits of Mars and Jupiter.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

The M81 Group The M81 Group
Comparison of group II self-splicing introns and the spliceosome Comparison of group II self-splicing introns and the spliceosome
Methyl group metabolism and homocystinuria Methyl group metabolism and homocystinuria
Group of Geese Group of Geese
In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv
Production of ABO blood group antigens Production of ABO blood group antigens
Video: Four Giant Convection Cells oF Earth

For a complete list of videos, visit our video library