A- Lunar Eclipse

B- Neap Tide

C- Spring tide

D-Solar tide

Which law represents the thermodynamic statement of the conservation of energy of a system? a. the fourth law b. the first law c. the second law d. the third law

What are similarities and differences of reflection, refraction, diffraction and absorption?

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?