What is stdddd?

What day of the week was the first landing on the moon? Why sky appears dark from the surface of moon? What type of light do neon lights give off? What are dark cool areas on the sun's surface called? How does Zeus reword Percy? What planet takes 637 days to rotate around the sun? What are the sizes of all 8 planets? Can radar detect without internet? What is the longest day of the year in the southern hemisphere? A satellite has to maintain a constant velocity of 28 800 kmhour in order to stay in earth's orbit however moon has 3 679 kmhour still it does not fall? Are Sagittarius dwarf galaxy and Andromeda galaxy the same? What are some characteristics of the thermosphere? What is the significance of the blue spiral in Hawaii's cultural and natural landscape? In the northern hemisphere the altitude of the north star is always roughly equal to the? What is the symbol in the man to send rain clouds? was there any robots or satellites explored Eris? What does it symbolize when you see a crescent moon upside down in the night sky? When was Sun Sun created? What do people find in space? Why was the sputnik spherical?