What is microsidal?

Describe the winter solstice? How do astronauts breathe? The idea that Earth's atmospheric gases might be involved in trapping some of the Sun's heat was first proposed around a 1650 b 1940 c 1800 d 1880? What is the greenhouse effect and how does it relate to the absorption of solar energy by the earths atmosphere? Does Aurora borealis emit light? Why do photographs of the Andromeda galaxy show it as it was 2.4 million years ago? Who is the fastest jet pilot? How long did it take Buzz Aldrin to train? What is the mass of the Sun based on data for Earth's orbit and compare the value obtained with the Sun and actual mass? What are two factors that affect the brightness of the light? What are unmbra and prenumbra? Argus 1981 by Dalí what is it? What is the position of Mars? Which process takes earths 24 hours to complete? What phase of the moon is rising at 7 PM? What is jupiters surface of gravity compared to the earth? What are the five outer planets in order starting from the asteroid belt? How the rocket goes upward? How long would it take us to send a radio signal to the Andromeda Galaxy? What are the 3 celestial bodies that have been redefined by the IAU as dwarf planets?