« previous next »

Author Question: Supernova 1987A was the first supernova observed by astronomers since Galileo first turned a ... (Read 72 times)

Yi-Chen

  • Hero Member
  • *****
  • Posts: 550
on: Jul 27, 2018
Supernova 1987A was the first supernova observed by astronomers since Galileo first turned a telescope to the heavens.
 
  Indicate whether the statement is true or false

Question 2

If the Moon is 3rd quarter phase, what shape does it have in the sky?
 
  A) a half circle
  B) a quarter circle
  C) a full circle
  D) nothing (It is impossible to view a 3rd quarter moon.)


kiamars2010

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Yi-Chen

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


kiamars2010

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Aurora australis observed from the Space Shuttle Discovery, on STS-39, May 1991 (orbital altitude: 2 Aurora australis observed from the Space Shuttle Discovery, on STS-39, May 1991 (orbital altitude: 2
Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto
What happens when oil tankers wear out? They go to Bangladesh, where they are turned into scrap. ... What happens when oil tankers wear out? They go to Bangladesh, where they are turned into scrap. ...
A turbine wheel is turned by the expanding exhaust gases. A turbine wheel is turned by the expanding exhaust gases.
Headlights were turned off and the battery voltage quickly recovered to indicate 12.6 volts. Headlights were turned off and the battery voltage quickly recovered to indicate 12.6 volts.
When a 2.75-kg fan, having blades 18.5 cm long, is turned off, its angular speed decreases ... When a 2.75-kg fan, having blades 18.5 cm long, is turned off, its angular speed decreases ...
Video: Cataract

For a complete list of videos, visit our video library