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

Author Question: A standard candle is ________. A) a light source of known luminosity B) a 7-cm-long wax candle ... (Read 75 times)

Pineapplelove6

  • Hero Member
  • *****
  • Posts: 560
on: Jul 27, 2018
A standard candle is ________.
 
  A) a light source of known luminosity B) a 7-cm-long wax candle
  C) another name for a main-sequence star D) another name for a barred-spiral galaxy

Question 2

The rotation curve for our Galaxy shows stars beyond the Sun moving more slowly than expected.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

josephsuarez

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

FALSE


Pineapplelove6

  • Member
  • Posts: 560
Reply 2 on: Jul 27, 2018
Gracias!

upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

In most ecosystems, sunlight provides the ultimate source of energy to power all biological activity In most ecosystems, sunlight provides the ultimate source of energy to power all biological activity
A young Lipizzan at the Spanish Riding School in training equipment, wearing saddle, bridle and long A young Lipizzan at the Spanish Riding School in training equipment, wearing saddle, bridle and long
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Intradermal drug administration: (b) the administration site is prepped Source: Pearson Education/PH Intradermal drug administration: (b) the administration site is prepped Source: Pearson Education/PH
Apply oil or lotion to the entire leg with effleurage. Use light to medium pressure to warm ... Apply oil or lotion to the entire leg with effleurage. Use light to medium pressure to warm ...
Light Green Eye Color Light Green Eye Color
Video: Atrophy

For a complete list of videos, visit our video library