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

Author Question: About how many stars has the Hipparcos mission given us accurate distance data on? A) about ... (Read 56 times)

itsmyluck

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
About how many stars has the Hipparcos mission given us accurate distance data on?
 
  A) about 3,000, about half of what you can see with the naked eye alone
  B) over 6000, the visible naked eye stars and some seen in binoculars
  C) 60,000, those within about 100 light years of us
  D) a million, those with parallaxes of .005 or larger
  E) over 100 billion, almost every star in the galaxy

Question 2

Ice has been detected near the poles of both the Moon and Mercury.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dominic

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


itsmyluck

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Jul 27, 2018
TY


Dominic

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

An example of a Material Safety Data Sheet (MSDS). An example of a Material Safety Data Sheet (MSDS).
Distance from Initial Change in Membrane Potential vs. Voltage Change Relative to Initial Change Distance from Initial Change in Membrane Potential vs. Voltage Change Relative to Initial Change
The heat range of a spark plug is determined by the distance the heat has to flow from the tip to ... The heat range of a spark plug is determined by the distance the heat has to flow from the tip to ...
Data Used to Analyze Productivity in Country 1 and Country 2 Data Used to Analyze Productivity in Country 1 and Country 2
Rapid, long-distance signaling in plants Rapid, long-distance signaling in plants
A hypothetical grid of data used in synteny testing A hypothetical grid of data used in synteny testing
Video: Condensation and Hydrolysis Animation

For a complete list of videos, visit our video library