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

Author Question: The greatest rift valley system yet found is ________ on Mars. Fill in the blank(s) with correct ... (Read 64 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
on: Jul 27, 2018
The greatest rift valley system yet found is ________ on Mars.
 
  Fill in the blank(s) with correct word

Question 2

The first attempt to map the Galaxy via star counts was done by
 
  A) William Herschel in the late eighteenth century.
  B) Edwin Hubble with the new 100 Mt. Wilson telescope in the 1930s.
  C) Harlow Shapley with the RR Lyrae variables in 1920.
  D) Edward Barnard with long exposure photos about 1900.
  E) Galileo in 1612.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lindahyatt42

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

Valles Marineris

Answer to Question 2

A


future617RT

  • Member
  • Posts: 543
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

(c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found (c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found
Education System Education System
Endomembrane system Endomembrane system
Components of the lymphatic system. Components of the lymphatic system.
Four methods of recording electrical activity of the nervous system. Four methods of recording electrical activity of the nervous system.
Relationship between the pancreas and the digestive system. Relationship between the pancreas and the digestive system.
Video: Factors that affect conduction rates (myelination, axon diameter & temperature)

For a complete list of videos, visit our video library