topic 7 early models of solar systems Flashcards
1
Q
Which word do astronomers use to describe Earth-centred models?
A
geocentric
2
Q
State two ways in which ancient civilisations used their detailed observations.
A
Any two of:
religious ceremonies or festivals (1)
agriculture / farming (1)
times / calendars (1)
alignment of ancient monuments (1)
3
Q
how would you describe a corona
A
dim and feeble
glow like a narrow band shining in a circle around the edge of the disc
4
Q
Suggest why the planet Neptune was not known to ancient astronomers.
A
Neptune had not yet been discovered as they could’t see it
5
Q
what is equal to approximately 1/400 astronomical units,
A
lunar distance
6
Q
what is the distance travelled by light in approximately 39 months.
A
1 parsec
7
Q
A
