Time Zones
The Prime Meridian passes through
Greenwich, England
What day marks the beginning of Summer for folks in the Northern Hemisphere?
June 21st
It takes _______ days for a complete moon cycle
29.5
The 4 types of solar eclipses are
total, partial, annular, hybrid
______ and ______ are the only states to not participate in DST.
Arizona and Hawaii
Every ___ degrees marks a new time zone
15
In winter, the Sun is __________ in the sky and its rays spread out over a much wider area, becoming less effective at heating the ground.
low
The moon is in this phase during a lunar eclipse
Full
The ______________ is the thin outer atmosphere of the Sun that we can see during a total solar eclipse.
corona
The Earth is closest to the Sun in which month of the year?
January
________ helped in the creation of time zones
trains
In Australia, when are the days the shortest and the nights the longest?
late June
According to Richard Nolle, a ___________________ is defined as “a new or full moon that occurs when the moon is at or near its closest approach to Earth in its orbit.”
Supermoon
You can look at _____ eclipses with the naked eye, but not _____ eclipses.
lunar, solar
During the period we have daylight savings time, we
turn the clocks forward an hour
How many time zones are there?
24
When do both hemispheres receive equal amount of sunlight?
March 21, September 21
When the moon is at its closest to Earth, it is called the
Perigee
How often do lunar eclipses happen, and where can they be seen from?
Up to 3 times a year, anywhere on the nighttime half of Earth.
The time it takes for the Sun to return to the same place in our sky after the Earth has rotated once is called:
Solar day
Mr. Wink, who is in St. Cloud, Florida (28 degrees North, 81 degrees West), wants to talk to his friend who is located in Okinawa, Japan (26 degrees North, 127 degrees East). If Mr. Wink called him at 8:30 a.m. in St. Cloud, what time would it be in Okinawa?
9:30 pm
What would you have to change about the Earth to stop our planet from having significantly different seasons?
the tilt of its axis
Why does the moon show phases in the course of a month?
the angle the Moon makes with the Sun changes and we see differing amounts of reflected sunlight
The moon appears red during a "blood moon" because
the suns light gets filtered out by Earth's atmosphere and only the color red shows
A friend of yours (who has not had the benefit of an astronomy course) tells you about a report he has read in a tabloid newspaper. They claim that on the dark side of the Moon, which is never in sunlight, there is a secret base of aliens who cannot stand light, and who send UFO's to Earth under the cover of darkness. Ignoring the UFO claim for a moment, what is the scientific error in this story?
There is no dark side of the moon, all sides are lit up within the course of a month.