« previous next »

Author Question: Supernova 1987A was the first supernova observed by astronomers since Galileo first turned a ... (Read 19 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 modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

The first dark spot observed on Uranus. Image obtained by the HST ACS in 2006. The first dark spot observed on Uranus. Image obtained by the HST ACS in 2006.
Supernova 1987A Supernova 1987A
Darwin observed that tortoises on islands that are arid tend to have saddle-shaped shells, allowing Darwin observed that tortoises on islands that are arid tend to have saddle-shaped shells, allowing
Galileo and Galilean Telescope Galileo and Galilean Telescope
Galileo and Galilean Telescope Galileo and Galilean Telescope
Exceptional progeny observed by Calvin Bridges Exceptional progeny observed by Calvin Bridges
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library