This topic contains a solution. Click here to go to the answer

Author Question: The name of which astronomer is most closely linked with that of Henry Russell? a. Henrietta ... (Read 40 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
The name of which astronomer is most closely linked with that of Henry Russell?
 a. Henrietta Leavitt
  b. Johannes Kepler
  c. Ejnar Hertzsprung
  d. Edwin Hubble

Question 2

Who, in 1925, postulated that matter, as well as light, has properties of both waves and particles?
 a. Planck
  b. Heisenberg
  c. de Broglie
  d. Einstein



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ashley I

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

c

Answer to Question 2

c




lilldybug07

  • Member
  • Posts: 546
Reply 2 on: Jul 28, 2018
Wow, this really help


ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

For a complete list of videos, visit our video library