1. WELCOME to the SAASTA AstroQuiz 2018 ROUND 4

2. QUESTION 1
Which first demonstrator telescope did South Africa build to help with the developments of Square Kilometre Array?
Kat-7
MeerKat
eXperimental Development Model
SumbandilaSat

3. QUESTION 2
What is the diameter of each telescope in the Karoo Array Telescope?
24 metres
12 metres
7 metres
15 metres

4. QUESTION 3 In which province of South Africa can we find the KAT 7?
Northern Cape
Eastern Cape
Gauteng
Free State

5. QUESTION 4
Which of the following is not correct about the Southern African Large Telescope (SALT)?
Comprises of 91 mirrors
Each mirror is 1,2 metres in diameter
Mirrors are hexagonal in shape
It is located in the Western Cape

6. Approximately how far do the rings of Saturn spread/span?
QUESTION 5
Approximately how far do the rings of Saturn spread/span? m km km m

7. QUESTION 6
Which of the following statements is incorrect about the Kuiper belt?
It is found between Mars & Jupiter
It is found beyond Neptune
It is where most dwarf planets are found
It surrounds our star, the Sun

8. QUESTION 7
What keep planets in orbit around the Sun and moons in orbit around planets?
Only gravitation forces
Only the orbiting speeds
Gravitation and orbiting speeds
Only the Sun’s attraction

9. QUESTION 8
The Milky Way Galaxy is best observed from the Southern than Northern hemisphere.
True
False

10. QUESTION 9
The core of the Square Kilometer Array will be situated in the Karoo in the North West province.
True
False

11. QUESTION 10
Radio Astronomy in Southern Africa started in 1961 with the construction of a facility now known as Hartebeesthoek Radio Astronomy Observatory.
True
False

12. QUESTION 11 How many terrestrial planets have natural satellites?
A. Five
B. One
C. Four
D. Two

13. QUESTION 12
Which of the following terrestrial planets have moons around them?
Earth & Mercury
Mercury & Venus
Saturn & Jupiter
Earth & Mars

14. QUESTION 13
When the Earth is furthest from the sun, what season is it in the Northern hemisphere?
Summer
Winter
Autumn
Spring

15. QUESTION 14 On which day of the year does the summer solstice occur?
June 21
Dec 21
June 1
Dec 01

16. QUESTION 15
During an equinox, neither the Southern nor Northern pole is tilted towards the Sun.
True
False

17. QUESTION 16
If the Earth has a radius of 6378 kilometres, what will its circumference (c) be in kilometres? NB: C = 2 π r , π = 3.14
40053,84
4,0053 x 105
4,0053 x 106
40,0053 x 107

18. QUESTION 17
The diameter of the Earth is km. If a soccer field is 100 m long, how many soccer fields will fit in the Earth’s diameter?
127,560
12,75600
12756

19. Which of the following is incorrect about terrestrial planets?
QUESTION 18
Which of the following is incorrect about terrestrial planets?
They are found beyond the asteroid belt
They have closely spaced orbits compared to Jovian planets
They are made of mostly rock and metals
They have higher masses compared to
Jovian planets

20. QUESTION 19
It takes the Earth approximately one year to orbit the Sun. If Lerato is 12 years old, what does this mean in terms of Earth’s revolution?
Lerato has orbited the Sun 12 times
Since Lerato was born, the Sun shone on her 12 times
It took Lerato 12 times to orbit the Earth
The Earth rotated on its axis 12 times with Lerato

21. QUESTION 20 Which of the following is incorrect about a Lunar eclipse?
It occurs during Full Moon
The Earth is between the Sun and the Moon
The shadow of the Moon falls on the Earth appearing to block out the Sun
The Moon appears dull

22. QUESTION 21
Looking into our night sky at the stars outside our Solar System, we are always looking at the past. This is due to __
Stars being too bright, colourful and dangerous
The Earth being smaller than all stars
Star distances and speed of light
Stars being stationery whilst Earth travels faster

23. QUESTION 22 At what phase of the Moon will lunar eclipse occur?
New Moon
Full Moon
First Quarter
Third Quarter

24. QUESTION 23
The Innes telescope at the SAASTA Johannesburg Observatory is a refractor telescope. This means that ___
The telescope uses a glass lens as the objective
The telescope uses mirrors as the objective
The weight of the telescope is 26.5 kg
The telescope can see as far as distance of 26.5km

25. QUESTION 24
The Innes telescope at the SAASTA Johannesburg Observatory is a 26.5 inch telescope. The “26.5 inch” means that ___
The diameter of the telescope’s lens is 26,5 inches
The telescope’s height is 26,5 inch
The weight of the telescope is 26.5 inches
4. The telescope can see as far as distance of 26.5km

26. QUESTION 25
Why is the SKA called “Square Kilometre Array”? It is because________
The size of all the telescopes together will add up to one square kilometre
The total surface area of all the antennas will add up to one square kilometre
The telescopes will be put on a one square kilometre bedrock
One telescope is one square kilometre in size

27. QUESTION 26
South Africa's MeerKAT telescope is an SKA precursor or 'pathfinder' telescope. How many dish-shaped antennas will it consist of? 64 74 46 47

28. QUESTION 27
What is the name of the set of telescopes built as an engineering prototype for the MeerKAT?
KAT-7
ASKAP
SALT
MeerKat-7

29. QUESTION 28
What is the name of the largest optical telescope found in the Southern Hemisphere?
SKA
SALT
KAT-7
MeerKAT

30. The brightest star in the sky, Sirius, is _____
QUESTION 29
The brightest star in the sky, Sirius, is _____
closest to the Earth
whiter and hotter than the Sun
blue and hot
discovered by Robert Innes in 1915

31. QUESTION 30
On Friday, 15 September 2017, one spacecraft crashed into a certain planet. Mention the name of the spacecraft and the planet it crashed into.
Soyuz; Earth
Opportunity; Mars
Cassini; Saturn
Voyager 1; Mars

32. THANK YOU

33. TIE BREAKERS

34. QUESTION 1
A building containing one or more telescopes is referred to as ______
An Observatory
An Astrobuilding
An Observation House
A Star Deck

35. What colour is a star when it is cool?
QUESTION 2
What colour is a star when it is cool?
Blue
Yellow
Green
Orange

36. QUESTION 3 Which of the following statements about Mars is true?
It is believed that liquid water once formed rivers and ocean on the surface of Mars millions of years ago.
Ice water has been found on Mars surface
It is the only planet except Earth to be visited by humans
A and B above

37. Which of the following is true?
QUESTION 4
Which of the following is true?
Mercury is hotter than Venus because it is nearest to the Sun
Venus is hotter than Mercury because of the greenhouse effect
Jupiter is hotter than Mercury because it is the largest planet in the solar system
None of the above

38. QUESTION 5 Choose the true statements about Ceres. It is______
in the Kuiper Belt.
a dwarf planet.
in the asteroid belt.
the largest comet.
The statements that are true, are ______
A. i & ii B. ii & iii C. i & iii D. i & iv

39. Which of the following is not true?
QUESTION 6
Which of the following is not true?
All planets revolve around the Sun in the same direction
The tilt of the rotation axis of Uranus is unlike any other planet in the solar system
Except Mars, all planets revolve around the Sun in the same direction
A and B above

40. QUESTION 7
In which South African province do we find the Tswaing crater?
Eastern Cape
Free State
North West
Limpopo

41. QUESTION 8
Morokweng, Vredefort, Tswaing and _______ are the impact craters in South Africa.
SAAO
Kalkkop
SALT
Crater

42. QUESTION 9 The largest verified and the second oldest crater is:
Vredefort
Tswaing
Kalkkop
Morokweng

43. QUESTION 10
What element is abundantly found in the core of planet Earth?
Oxygen
Iron
Nitrogen
Gold

44. THANK YOU FOR PARTICIPATING, SEE YOU AT THE NATIONAL FINALS!!