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   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

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Neutron Stars in Binary Systems

Are You Ready? (Continued)

2.
The Rossi X-ray Timing Explorer (RXTE), an X-ray telescope, must be in orbit because
A. X-rays can't go through Earth's atmosphere.
B. this is more cost-effective.
C. it can look in all directions.
D. it's part of the Hubble Space Telescope.

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