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Pretest
   Question1
   Question 2
   Question 3    Question 4
   Question 5
   Question 6
   Question 7
   Question 8
   Question 9

Ready To Go

Eclipsing Binaries

Light Curve Matching

HT-Cas Exercise

Activity 1
Activity 1B
Activity 1C

Intro To Hera

Installing Hera

Using Hera

File Plot 1
File Plot 2
File Plot 3

Conclusion

Logout
Neutron Stars in Binary Systems

Are You Ready? (Continued)

3.
A star is
A. any hot, burning object in the sky.
B. our Sun and other smaller objects like the Sun.
C. a massive object converting mass into energy.
D. the only source of light in the universe.

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