What is the average temperature of The Sun?
6000° C
Which planet has the fastest period of rotation?
Jupiter
Which terrestrial planet rotates from east to west?
Venus
Which planet has the longest period of rotation?
Venus
Comet Halley is visible from Earth every ___ until ___ years.
75, 76
The shape of the Earth is _________.
Oblate spheroid
What is the period of rotation of the moon?
±27 ⅓ days
In the Gregorian calendar, is 1800 a leap year? (Yes or No)
No
In the Julian calendar, is 1800 a leap year? (Yes or No)
Yes
On March 2 in the Northern hemisphere, what season is it?
Winter
What are some names of famous comets?
Halley, Enchke, West, Kohoutek
What 2 parts of The Sun are it's Atmosphere?
Chromosphere & corona
What is the definition of "period of revolution"?
The time needed for a planet to complete one revolution around the sun.
Which 2 planets have no natural satellite?
Mercury & Venus
What satellite of Neptune is the biggest?
Triton
Which planet is the least dense?
Saturn
