[Answered] A _____ is a large system of stars, star clusters, gas, dust, and nebulae orbiting a common center ...

This topic contains a solution. Click here to go to the answer

Author Question: A _____ is a large system of stars, star clusters, gas, dust, and nebulae orbiting a common center ... (Read 93 times)

chads108

Hero Member
Posts: 507

on: Jul 27, 2018

A _____ is a large system of stars, star clusters, gas, dust, and nebulae orbiting a common center of mass.

A) galaxy
B) spiral arm
C) planet
D) solar system

Question 2

Earth orbits the Sun _____.

A) once a year
B) twice a year
C) three times a year
D) four times a year

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

uniquea123

Sr. Member
Posts: 311

Reply #1 on: Jul 27, 2018

Answer to Question 1

A

Answer to Question 2

A

chads108

Member
Posts: 507

Reply 2 on: Jul 27, 2018

TYSM

yeungji

Member
Posts: 319

Reply 3 on: Yesterday

Gracias!

« previous next »

Did you know?

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

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.