Space And Beyond Flashcards
1
Q
Measuring time:
One month
A
- One month is approximately 1/12 of the time taken for the Earth to orbit around the Sun.
- It can also be measured by the time it takes for the moon to complete one whole cycle.
2
Q
What is a lunar month?
A
The time between new moons.
3
Q
How do planets stay in orbit?
A
- Without the Sun the Planets would fly away.
- The Sun has a very large mass therefore it has a lot of gravity.
- This gravity pulls pulls the planets into it. This causes the planets to orbit.
4
Q
What is the order of the planets?
A
Sun Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
5
Q
Why does Day and Night occur?
A
As the Earth orbits the Sun it spins about its own axis.
6
Q
Why is a day in the Summer longer than in the Winter?
A
Because the Earth is tilted on its axis the different parts of the Earth are tilted towards or away from the Sun.
7
Q
Where is it always night?
A
North Canada, Norway, Ice-Land, Finland.
8
Q
When does the equinox occur?
A
Vernal Equinox - 21st March
Autumnal Equinox- 21st September
9
Q
Seasons occur because…
A
- The tilt of the Earth means the Earth will lean towards the Sun (Summer) or lean away from the Sun (Winter) 6 months later
- The Earth’s movement around the sun causes the seasons.
