1. A mountain is 10,000 feet high. When you hold your arm straight out, three fingers cover the mountain to your view. How far away are you from the mountain?
2. A new planet is discovered orbiting the sun. It is 30 AU (astronomical unit) away. How many years does it take to orbit the sun?
3. The Ulysses space probe was sent in orbit around the sun to study it. If it takes 0.25 years to orbit, how far away from the sun is it?
4 What maximum angle could it make to your eye at sunset?
5. A comet takes 100 years to orbit the sun (a) Calculate its average distance R from the sun. (b) The comet gets as clode as 2 AU from the sun. How far away does it get?
6. A planet is 2 AU from a star and takes 2 years to orbit it (a) Find K for this star. (b) Is this star more massive or less massive than our sun? choose one
** it would be great if you could provide work so i can understand it much better. Thanks!!!
2007-09-15 16:04:00 · 2 answers · asked by medicated kiss 2 in Science & Mathematics ➔ Astronomy & Space