The Earth
The Earth has this general shape
What is round?
A total lunar eclipse is caused by the umbra of this.
What is the Earth?
A solar day is measured relative to this object.
What is the sun?
The moon goes through this many phases in a week.
What is two?
This is the main object which causes tides on Earth.
What is the moon?
On the equinoxes, Earth's axis has this tilt.
What is 23.5o
The phases of the moon are caused by this.
What is the motion of the moon around the Earth?
This is the date of the summer solstice in São Paulo, Brazil
What is December 21?
Lunar eclipses occur during this moon phase.
What is full moon?
Low tides occur at this angle relative to high tides.
What is 90 degrees?
Of the three different types of days, these are the shortest.
What are sidereal days?
This type of eclipse can be safely viewed for up to only three minutes; otherwise you'll need special glasses.
What is a solar eclipse?
On the equinox, Peabody, MA receives this many more hours of sunlight than St. Kilda, Australia.
What is zero?
This is the year of the next solar eclipse in the US.
What is 2024?
Neap tides occur about this long before a king tide.
What is one week?
The Earth comes closest to the Sun during this month.
What is January?
This is why we can't see the new moon at night.
What is we're on the wrong side of the Earth?
The tilt of the Earth causes changes in the sun angle which causes variations in this, which subsequently cause seasonal temperature changes.
What is concentration in sunlight?
The farthest point of Earth's orbit from the Sun is called this.
What is the aphelion?
This is the precise time, to the minute, between low tides.
What is 12 hours 25 minutes?
(half a lunar day)
The Earth revolves this many degrees in a day
What is one degree?
What is 708 hours?
29.5 days x 24hours/day
The midnight sun can only occur above these latitudes due to the 23.5 degree tilt of the Earth.
What is 66.5 degrees?
(Arctic and Antarctic Circle)
Shortly after sunset, you see this moon phase in the sky above the opposite horizon from the setting sun.
What is waxing gibbous?
Low tides occur during these daily events.