Frequently Asked Questions (FAQ's)
Question: What is a dome?
Answer: The dome shape is the top half of a hollow sphere. - 331
Question: How long is a hour?
Answer: One hour lasts for 60 minutes. - 292
Question: How is time measured?
Answer: Time is measured with a calendar or a clock. Time can be divided into years, months, weeks, days, hours, minutes, and seconds. - 174
Question: What is twilight?
Answer: Twilight is the time of the day when the sun is just below the horizon. During twilight the light from the sky is soft and diffused. - 205
Question: How often does twilight occur?
Answer: Twilight occurs twice a day, in the early evening and early morning. Twilight usually refers to the period between sunset and dark. - 206
Question: Is time travel possible?
Answer: We are all traveling into the future. We don't know of anyone who has successfully traveled back in time. - 175