1. If you saw Comet Halley when it was 0.7 AU from Earth and it had a visible tail 5° long, how…

1. If you saw Comet Halley when it was 0.7 AU from Earth and it had a visible tail 5° long, how long was the tail in kilometers? Suppose that the tail was not perpendicular to your line of sight. Is your first answer too large or too small? (Hint: Use the small-angle formula, Chapter 3.) 2. What is the orbital period of a comet nucleus in the Oort cloud? What is its orbital velocity? (Hints: Use Kepler’s third law, Chapter 4. The circumference of a circular orbit = 2πr. Refer to the text for typical Oort cloud object distances from the sun.)  

Don't use plagiarized sources. Get Your Custom Essay on
1. If you saw Comet Halley when it was 0.7 AU from Earth and it had a visible tail 5° long, how…
For as low as $13/Page
Order Essay

Leave a Reply

Your email address will not be published. Required fields are marked *

*

*

*