What are some Examples of imaginary sight?

Why do we see different star constellations in the night sky at different times of the year? Does a red giant start have fusion occurring in its core? Is it true that clouds form from water produced by condensation? When a rock falls from outerspace onto the ground it is called? Name the first city in the Southern Hemisphere to install street lights? What was created on the fourth day? What planet has a core of a nickel and iron and crust 600 km thick? What is the fifth color in a rainbow? What is the blue shift nebula? Is Venus's or Mars brighter? What are the odds of dying in a outer space? Are there any exceptions to the rule that planets rotate with small axis tilts and in the same direction that they orbit the Sun? How many countries are there on the Moon? How many microorganisms enter your body every day? What forced opposes the explosions in the sun during the fusion to keep the sun stable and balanced? Is Arcturus Sirius Altair or Betelgeuse the closest star to our solar system? How much does it cost to operate the Hubble? What are the smallest stars in the HR diagram? Why did the big dipper serve as a good guide to slaves? What does space represent?