How did astronomers group planets?
What is your favorite ‘ber’ month? (Sept-Oct-Nov-Dec)?
Do you believe in life in the universe? Go to my survey to answer! https://www.surveymonkey.com/r/6QSF9FW
Should each month have 42 days? Yes or No.
Hey august is crayon collection month what is your favorite color?
how do day and night explain?
What is very rare in our solar system and very important to life?
What is providing the gravity at the center of the earth?
The ability to attract the biggest planet in the solar system?
How much total time of day and night on the moon?
HOW MANY EARTHS FIT INTO VENUS HELLLLLPPPPP MEEEEEE PLZ AND THX?
Are you superstitious ? It's Friday the 13th ! Bother you any?
what is the method of measuring the distance of star/planet /galaxy which are thousands light years away from us ? what is the accuracy?
why to carry out moon / mars missions ? there is no water oxygen atmosphere ? to bring minerals from there is not viable
Why isn't Pluto a planet anymore?
Its friday i want everyone to have a great day. Do u want to have a great day?
Is it possible that at least one of the many planets out there is either flat or hollow?
Beautiful paper 2016 calendar. In what upcoming year will it be re-usable again?
why does the planets stay on its orbit?
Have you ever just laid down outside and stared at the stars?