Astrophysics

Which is the correct unit for mass?

• kilogram
• N/kg
• second
• Newton
• m/s

Which is the correct unit for time period?

• second
• N/kg
• kilogram
• Newton
• m/s

Which is the correct unit for force?

• Newton
• N/kg
• kilogram
• second
• m/s

Which is the correct unit for orbital speed?

• m/s
• N/kg
• kilogram
• second
• Newton

Which is the correct unit for acceleration?

• m/s²
• N/kg
• kilogram
• second
• Newton

Which is the correct unit for gravitational field strength?

• N/kg
• kilogram
• second
• Newton
• m/s

Which is the correct unit for orbital radius?

• m
• N/kg
• kilogram
• second
• Newton

What is the name of our galaxy?

• The Twirl
• The Milky Way
• The Mars system

How many planets (not including dwarf planets) are there in our solar system

• 6
• 7
• 8
• 9

How many stars are there in a galaxy?

• Hundreds
• Thousands
• Millions
• Billions