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

Author Question: How did the Hipparcos mission revolutionize our knowledge of stellar properties? What will be an ... (Read 57 times)

tiara099

  • Hero Member
  • *****
  • Posts: 588
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
YES! Correct, THANKS for helping me on my review

Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Managing large bands of grazing animals requires detailed knowledge of local landscapes, especially Managing large bands of grazing animals requires detailed knowledge of local landscapes, especially
Guinea pig being injected to test a chemical for its carcinogenic properties Guinea pig being injected to test a chemical for its carcinogenic properties
A Summary of Stellar Evolution A Summary of Stellar Evolution
The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue
Crewed mission spacecraft. Crewed mission spacecraft.
Wavelike properties of sound Wavelike properties of sound
Video: Dissociative Disorders (Part 2)

For a complete list of videos, visit our video library