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Astronomy 2 Flashcards | StudBud
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Astronomy 2
Astronomy 2
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fun scientific facts about stars, planets etc. #astronomy #science
Flashcards
20 cards
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Questions
20
Answers
1
How high is Olympus Mons?
5,000 metres high.
10 kilometres high.
10,000 metres high.
Over twice as high as Mt Everest.
2
Why is Yuri Gagarin remembered?
First person to discover Pluto.
First human to journey into outer space
First man on the moon.
First human to set foot on Mars.
3
How old is the sun?
No one knows precisely.
14.4 billion years old.
As old as the Big Bang
7 billion years old.
4
How often does Halley's Comet pass by the earth?
Varies between 72 and 79 years.
Every 28 years.
More than 165 years.
Every 76 years.
5
What is it called when a star explodes?
Nebula
Big bang
Supernova
Nova
6
How many orbits of the sun can a comet make before it burns out?
20
200
2,000
20,000
7
What lies between Mars and Jupiter?
Saturn
an asteroid belt.
comets
meteorites
8
What is the name of the star cluster shown below?
Scorpio
Pleiades
Matariki
Orion
9
Where is Olympus Mons, the largest known volcano in the solar system, found?
Venus
Jupiter's moon, Io
Saturn's moon, Titan
Mars
10
What direction does the sun rise from on Venus?
South
North
East
West
11
When will Halley's Comet next be visible from earth?
2122
2062
2102
2082
12
Which are the only 2 planets without moons?
Venus and Neptune.
Uranus and Neptune.
Mercury and Venus.
Mercury and Neptune.
13
How long does it take for the moon to orbit the earth?
1 year.
29.5 days
24 hours
365.25 days
14
How long does it take light from the sun to reach earth?
8 minutes
3 hours
2 minutes
48 minutes
15
What colour is the moon's sky?
blue during the day, black at night.
blue
grey
black
16
Approximately how many stars can you see on a clear night?
2 billion
20 million
2 million
2000
17
How many black holes have scientists seen?
13
7
26
0
18
What tilt is the earth's axis?
98 degrees.
45 degrees.
23.5 degrees.
7 degrees.
19
What are Phobos and Deimos?
Names of the 2 brightest stars in the Southern Cross.
The moons orbiting Mars.
The 2 largest volcanoes on Io.
The dancing moons of Saturn.
20
How many supernovas have been observed in the last 500 years?
12
3
2045
137
