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

Author Question: What must be true in order for astronomers to be able to use the Doppler technique to determine a ... (Read 20 times)

lb_gilbert

  • Hero Member
  • *****
  • Posts: 588
on: Jul 27, 2018
What must be true in order for astronomers to be able to use the Doppler technique to determine a planet's mass?
 
  A) The planet's orbit must be viewed nearly edge on.
  B) The planet must have a very low mass.
  C) The planet must have a very eccentric orbit.
  D) The planet's orbit must be seen nearly face on.

Question 2

How will an isolated, one solar-mass star die?
 
  A) as a neutron star
  B) as a black hole
  C) as a white dwarf supernova
  D) as a white dwarf
  E) uncertain, since stars can die in any number of ways


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fur

  • Sr. Member
  • ****
  • Posts: 309
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


lb_gilbert

  • Member
  • Posts: 588
Reply 2 on: Jul 27, 2018
:D TYSM

brbarasa

  • Member
  • Posts: 308
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

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

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
The F integration site determines the order of gene transfer in Hfrs The F integration site determines the order of gene transfer in Hfrs
TrUe....FaLsE TrUe....FaLsE
With the research technique called brainbow, each neuron is labeled with a different color, ... With the research technique called brainbow, each neuron is labeled with a different color, ...
Apply deep circular effleurage to the buttocks muscles as a warming technique. Place one hand on top ... Apply deep circular effleurage to the buttocks muscles as a warming technique. Place one hand on top ...
Diaphragm relaxation technique. (A) Place the thumb on the metatarsal head of the big toe. (B) Bend ... Diaphragm relaxation technique. (A) Place the thumb on the metatarsal head of the big toe. (B) Bend ...
Video: Labor and Childbirth - The Three Stages of Labor: Dilation, Expulsion & Placental مراحل الولادة

For a complete list of videos, visit our video library