Centaurus A is in what Constellation?
Anonymous Quiz
14%
A. Crux
13%
B. Dorado
65%
C. Centaurus
8%
D. Carina
An impact on the scale of that which ended the dinosaur era could end the human era as well, if we don't spot it coming in enough time to prevent its occurrence. How much time would we need in advance to be certain of putting up our best possible defense?
Anonymous Quiz
15%
A. A minimum of a month
27%
B. A minimum of two years
28%
C. A minimum of six months
30%
D. A minimum of ten years
If black holes are indeed black holes, how do we see them?
Anonymous Quiz
6%
A. You have to wear a special pair of 3D glasses.
30%
B. You can only see them when you get close to the horizon.
46%
C. You don't... you have to study the objects around them.
18%
D. They emit so much light it's easy to see them.
Once inside the black hole, will Steven be able to see anything outside of it?
Anonymous Quiz
34%
A. Yes
66%
B. No
Which of these planets does not have rings?
Anonymous Quiz
77%
A. Venus
5%
B. Saturn
7%
C. Jupiter
11%
D. Neptune
Which of the following is a name of the process where an object is deformed and stretched because of a large gravitational pull like a black hole?
Anonymous Quiz
45%
A. spaghettification
12%
B. Planck collapse
38%
C. gravity deformation
5%
D. atomic distortion
M36,M37,and M38 are all open clusters and can be seen in which constellation?
Anonymous Quiz
18%
A. Auriga
32%
B. Taurus
32%
C. Gemini
18%
D. Orion
In an eclipse, what term describes the apparent size of the Moon in comparison to the apparent size of the Sun?
Anonymous Quiz
21%
A. magnitude
37%
B. corona
14%
C. diameter
28%
D. juxtaposition
Another phenomenon that was well known to the ancients is what we now call the "Northern Lights." What is the more scientific term for this eerie light display?
Anonymous Quiz
21%
A. Plasma
68%
B. Aurora Borealis
8%
C. Acer Palmatum
2%
D. Thuja Occidentalis
β¨8000 stars are visible with naked eye from Earth. 4000 in each hemisphere, 2000 at daylight and 2000 at nightβ¨
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#Stars
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β¨Black holes absorb dark matter, and over the billions of years since galaxies were first formed, this absorption of dark matter in black holes has very likely altered the population of galaxies from what we can observe todayβ¨
#Balckhole
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#Balckhole
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β¨A star orbiting a black hole, can travel at over 200,000 kilometres an hourβ¨
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#BlackHole
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β¨At the core of radio galaxy Centaurus A is a super massive black hole, hundreds of millions of times the mass of the Sun. From above and below this violent gravity well, jets of matter shoot out at near light speed in two huge plumes. Each plume is over a million light years long, 10 Milky Way galaxies would fit along each plumeβs lengthβ¨
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#Fact
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β¨The swirling gases around a black hole turn it into an electrical generator, making it spout jets of electricity billions of kilometers out into spaceβ¨
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#Fact
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β¨Active galaxy NGC 1275 lies at the heart of the Perseus Galaxy Cluster, it has huge filaments of gas that extend out from the core. They look like the tentacles of an immense galactic octopus and are 20,000 light years long, and just 200 light years wide. They are held in place by powerful magnetic fields from the massive central black holeβ¨
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#BlackHole
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