Astronomy and Waves

43. Mars is the _____ planet from the sun

• 4th
• 3rd
• 2nd
• 1st

44. How long is a day on Mars?

• 28 hours 40 minutes
• 24 hours 40 minutes
• 24 hours
• 15 hours 25 minutes

45. What is the time delay for communication between earth and Mars?

• 1-2 minutes
• 30-50 minutes
• 61-68 minutes
• 3-21 minutes

46. What is the average temperature on Mars?

• -81 degree Fahrenheit
• -81 degree Celsius
• -15 degree Fahrenheit
• -31 degree Fahrenheit

47. What is the coldest recorded temperature on Mars?

• -284 degrees Fahrenheit
• -4 degrees Fahrenheit
• -200 degrees Fahrenheit
• 28 degrees Fahrenheit

48. The Mars atmosphere is mostly made of what?

• Carbon Dioxide
• Nitrogen
• Hydrogen
• Argon

49. Earth's atmosphere is 100 times denser than Mar's atmosphere

• True
• False

50. Earth has 3 times the gravity on Mars

• True
• False

51. On Earth, you can jump 3 times higher than Mars

• True
• False

52. Most of the water on Mars is located at the polar region

• True
• False