https://padlet.com/Altorki/2elfzc4eqncw en-us 2017-11-01 15:17:28 UTC 2023-01-21 06:58:55 UTC hello@padlet.com Altorki https://padlet.com/Altorki/2elfzc4eqncw/wish/202559529 Dr.Eric Christian is a fifty-seven-year-old, american-scientist man wich work is related to the Universe.He works in Space Radiation Laboratory. ]]> 2017-11-01 15:30:18 UTC https://padlet.com/Altorki/2elfzc4eqncw/wish/202559529 Altorki https://padlet.com/Altorki/2elfzc4eqncw/wish/202572527 2017-11-01 15:54:07 UTC https://padlet.com/Altorki/2elfzc4eqncw/wish/202572527 Altorki https://padlet.com/Altorki/2elfzc4eqncw/wish/202584931  Eric is interested about the evolution and formation of matter in the Universe.He is also interested galactic cosmic rays.Moreover, Eric Chrisitian gratuated in 1989 for his thesis called ""Evidence for Anomalous Cosmic Ray Hydrogen""]]> 2017-11-01 16:15:36 UTC https://padlet.com/Altorki/2elfzc4eqncw/wish/202584931 Altorki https://padlet.com/Altorki/2elfzc4eqncw/wish/208097044 Physical law explaining the attraction of an object to the Earth.]]> 2017-11-17 13:53:21 UTC https://padlet.com/Altorki/2elfzc4eqncw/wish/208097044 Altorki https://padlet.com/Altorki/2elfzc4eqncw/wish/208097440 The whole of stars and galaxies 

]]> 2017-11-17 13:54:07 UTC https://padlet.com/Altorki/2elfzc4eqncw/wish/208097440 Altorki https://padlet.com/Altorki/2elfzc4eqncw/wish/208099184 It means if the distance is bigger , the force of gravity will be smaller and if the mass is bigger , so the gravity will be bigger.]]> 2017-11-17 13:57:41 UTC https://padlet.com/Altorki/2elfzc4eqncw/wish/208099184 Altorki https://padlet.com/Altorki/2elfzc4eqncw/wish/220776225 First, a tide is the rising or falling of the sea. Our Earth and Moon attract themselves, it's the gravitational force! When Moon attracts the Earth it's creates High tide in a side and low tide in other side.Every 6 hours Tides change , because like we know Moon revolves around the Earth.]]> 2018-01-11 20:07:33 UTC https://padlet.com/Altorki/2elfzc4eqncw/wish/220776225