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

Author Question: How did the Hipparcos mission revolutionize our knowledge of stellar properties? What will be an ... (Read 52 times)

tiara099

  • Hero Member
  • *****
  • Posts: 588
How did the Hipparcos mission revolutionize our knowledge of stellar properties?
 
  What will be an ideal response?

Question 2

The spherical distribution of the globular clusters in the Halo reminds us of the similar distribution of cometary nuclei in the ________ cloud.
 
  A) Hubble B) Kepler C) Kuiper D) Oort E) Shapley



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

smrtceo

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

In space, it had far better resolution than Earth-based telescopes, so could find parallaxes and accurate distances out to 200 parsecs, for almost a million stars. These, in turn, give the luminosities of these stars, critical to helping us understand all other stellar properties as well.

Answer to Question 2

D




tiara099

  • Member
  • Posts: 588
Reply 2 on: Jul 27, 2018
Wow, this really help


TheDev123

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

For a complete list of videos, visit our video library