Download The Universe – The Most Dangerous Places

Name:
Pd.
Date:
The UniverseAstronomy
– The MostHeader
Dangerous Places
Follow along with the video and answer the questions. The questions are in order of their appearance in the show.
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1
Question
What caused the blast on 12/27/04?
2
About how many of these are in our galaxy?
3
What types of rays come from a magnetar?
4
What could it do to humans?
5
6
What do the scientists agree may be the most
dangerous place in the universe?
What happens when a black hole eats a star?
7
Do all stars near a black hole get sucked into it?
8
How close does something have to be to get sucked
into a black hole?
How big is a stellar sized black hole?
9
10
11
12
13
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15
Can a super massive black hole consume an entire
galaxy?
Does the Milky Way have a super massive black hole?
What does “adaptive optics” do for viewing stars
around super massive black holes?
How big is the super massive black hole in our
galaxy?
How would your fate be different in a super massive
black hole different as opposed to a stellar black hole?
How is the black hole at the center of our galaxy
different from other black holes?
16
How can our black hole become active again?
17
To what does Joshua Barnes compare the study of
galaxy mergers?
What causes galaxy mergers?
18
19
20
Between the Milky Way and Andromeda, which is the
larger galaxy?
Name one benefit of galaxy mergers.
21
Name one bad consequence of galaxy mergers.
22
How long do scientists think it will be before the Milky
Way and Andromeda merge?
What did scientists call a quasar that emits jets of
plasma?
Do scientists know what the jets are made of?
23
24
25
Can current space travelers be affected by these
energetic events?
Dottie Edwards, Strasburg High School, Strasburg, VA, Shenandoah County Public Schools
Answer
Name:
KEY
Pd.
Date:
The Universe – The Most Dangerous Places
Dottie Edwards, Strasburg High School, Strasburg, VA, Shenandoah County Public Schools
Astronomy Header
Follow along with the video and answer the questions. The questions are in order of their appearance in the show.
#
1
Question
What caused the blast on 12/27/04?
a magnetar
2
About how many of these are in our galaxy?
12
3
What types of rays come from a magnetar?
x-rays & gamma rays
4
What could it do to humans?
tear someone apart
5
black hole
6
What do the scientists agree may be the most
dangerous place in the universe?
What happens when a black hole eats a star?
7
Do all stars near a black hole get sucked into it?
no
8
How close does something have to be to get sucked
into a black hole?
How big is a stellar sized black hole?
about the distance between the Sun and the Earth
Can a super massive black hole consume an entire
galaxy?
Does the Milky Way have a super massive black hole?
yes
What does “adaptive optics” do for viewing stars
around super massive black holes?
How big is the super massive black hole in our
galaxy?
How would your fate be different in a super massive
black hole different as opposed to a stellar black hole?
How is the black hole at the center of our galaxy
different from other black holes?
it helps them see how stars move around the black
hole
4 million times the mass of the Sun
16
How can our black hole become active again?
if we collide with another galaxy
17
To what does Joshua Barnes compare the study of
galaxy mergers?
What causes galaxy mergers?
a car crash
Andromeda
20
Between the Milky Way and Andromeda, which is the
larger galaxy?
Name one benefit of galaxy mergers.
21
Name one bad consequence of galaxy mergers.
we could be forced into the center
22
How long do scientist think it will be before the Milky
Way and Andromeda merge?
What did scientists call a quasar that emits jets of
plasma?
Do scientists know what the jets are made of?
3 billion years
Can current space travelers be affected by these
energetic events?
yes
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13
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23
24
25
Answer
tears it apart as it is pulled into the black hole
5 – 30 times the size of the Sun
yes
large one – free fall for a while
small one – you’d get roasted
it seems to be fasting…not currently consuming any
stellar material
gravity
great night sky views
blazers
not known yet
Dottie Edwards, Strasburg High School, Strasburg, VA, Shenandoah County Public Schools