The Hipparcos Satellite Was Able to Measure Parallax for Stars

question 184

Multiple Choice

The Hipparcos satellite was able to measure parallax for stars out to about 150 pc. This distance includes roughly 2.5 million stars. What is the average number of stars in 1 cubic parsec?

• A) 5.1 × 10^-3
• B) 0.18
• C) 5.65
• D) 8.84

---

Definitions:

Database Management System

A software system designed to store, manage, and retrieve data in databases efficiently.

Create Queries

The process of designing and executing a query in a database to retrieve or manipulate data.

Add, Change, Or Delete Data

Operations performed on a database or software application to modify its content.

Tool Tabs

Tabs in software applications that group tools and features for easy access.