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

Author Question: How did Tycho's detailed observations of Mars' brightness help show that its orbit could not be ... (Read 58 times)

Medesa

  • Hero Member
  • *****
  • Posts: 507
on: Jul 27, 2018
How did Tycho's detailed observations of Mars' brightness help show that its orbit could not be circular?
 
  What will be an ideal response?

Question 2

What is the approximate luminosity of a main-sequence M star?
 
  A) 106 solar B) 1 solar C) 10 solar D) 0.01 solar


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CourtneyCNorton

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 27, 2018
Answer to Question 1

Tycho noted that at some oppositions, Mars was much brighter than at others, suggesting that Mars must be closer to us when it was brighter.

Answer to Question 2

D


Medesa

  • Member
  • Posts: 507
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Variation in coat pattern in zebras. The patterns show progressively more black left to right and to Variation in coat pattern in zebras. The patterns show progressively more black left to right and to
Mars from Hubble Space Telescope October 28, 2005 with dust storm visible. Mars from Hubble Space Telescope October 28, 2005 with dust storm visible.
Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr
Ancient Oceans and Lakes on Mars Ancient Oceans and Lakes on Mars
Adults in the Berlin Study of Aging show earlier declines on tests of nonverbal, fluid tasks (upper ... Adults in the Berlin Study of Aging show earlier declines on tests of nonverbal, fluid tasks (upper ...
Food webs show feeding relationships and energy flow Food webs show feeding relationships and energy flow
Video: Polysaccharides

For a complete list of videos, visit our video library