Constellations and Stars

Question 1

What are the thirteen constellations of the zodiac in order

Answer 1

Aries
Taurus
Gemini
Cancer
Leo
Virgo
Libra
Scorpius
Ophiuchus
Sagittarius
Capricornus
Aquarius
Pisces

Question 2

What does circumpolar imply?

Answer 2

Visible all year round at our latitude (all stars within 45 degrees of the North Pole)

Question 3

What are the Circumpolar constellations?

Answer 3

Ursa minor
Ursa major
Draco
Cepheus
Cassiopeia
Perseus

Question 4

What is a star from Ursa Minor?

Answer 4

Polaris

Question 5

What is a star from Ursa Major?

Answer 5

Mizar and Alcor (binary system)

Question 6

What is a star in Draco

Answer 6

Thuban (the ancient “North star” of the Egyptians)

Question 7

What is a star in Cepheus?

Answer 7

Delta-Cephei

Question 8

What is special about delta-Cephei?

Answer 8

It is a variable star

Question 9

What shape does Cassiopeia form in the sky?

Answer 9

W

Question 10

What is a star in Perseus?

Answer 10

Algol (a variable star)

And the “double cluster” h and X Persei

Question 11

How far is the order of 200 million kilometers?

Answer 11

The inner planets (~1.2 AU)

Question 12

How big is the solar system?

Answer 12

~120 AU

Question 13

How many stars within 20 light years?

Answer 13

17

Question 14

How big is our Galaxy?

Answer 14

Diameter of 100000 light-years

Question 15

How many satellite galaxies does the Milky Way have?

Answer 15

2 of them known: called the Magellanic clouds

Question 16

How big are groups of galaxies?

Answer 16

~5 million light-years

Question 17

What is the nearest Galaxy to us?

Answer 17

Andromeda Galaxy (at 2.5 million light-years)

Question 18

How many galaxies in our local group?

Answer 18

About 50

Question 19

On what scale are superclusters of galaxies?

Answer 19

About 100 million light-years (About a hundred thousand galaxies across)

Question 20

How big is the observable universe?

Answer 20

Diameter of 90 billion light-years

Question 21

What is the name of our supercluster

Answer 21

Local Supercluster (or Virgo Supercluster)

Question 22

How many stars can you see with your naked eyes?

Answer 22

About 5000

Question 23

What kind of star is Arcturus?

Answer 23

A yellow giant

Question 24

In what constellation is Arcturus found?

Answer 24

Bootes

Question 25

What is a star in Virgo?

Answer 25

Spica

Question 26

What is a star in Leo?

Answer 26

Regulus

Question 27

What is the spring sector?

Answer 27

Sector 2: Bootes, Virgo, Libra, Leo

Question 28

What is a astronomical object found in Hercules?

Answer 28

M13 (a globular cluster)

Question 29

What is a star in Scorpius?

Answer 29

Antares (a red giant)

Question 30

What astronomical object does Sagittarius have?

Answer 30

M8 (the Lagoon Nebula)

Question 31

What are the constellations seen in the summer?

Answer 31

Hercules, Ophiuchus, Sagittarius, Scorpius

Question 32

What are the constellations seen in the summer-fall?

Answer 32

Cygnus, Lyra, Aquilla, Delphine, Capricornus, Aquarius

Question 33

What astronomical objects are in Cygnus?

Answer 33

Deneb, Albireo (binary system), Cgynus X-1 (black hole), and the Veil Nebula (a supernova remnant)

Question 34

What astronomical objects are in Lyra?

Answer 34

Vega, beta-Lyrae (an eclipsing binary), M57 (the ring nebula)

Question 35

What major star is in Aquilla?

Answer 35

Altair

Question 36

What three stars form the summer triangle?

Answer 36

Deneb, Vega and Altair

Question 37

How many sectors are there?

Answer 37

7 sectors

Question 38

What constellations are in the fall sector?

Answer 38

Pegasus, Andromeda, Triangulum, Pisces, Aries, Cetus

Question 39

What are some astronomical objects in Andromeda (constellation)?

Answer 39

The Andromeda Galaxy (M31) and M32 and M110 (satellite galaxies)

Question 40

What is M33

Answer 40

A spiral Galaxy in Triangulum

Question 41

What major star is in Cetus?

Answer 41

Mira (a variable star)

Question 42

What constellations are mostly seen during the winter?

Answer 42

Auriga, Taurus Gemini, Canis Major, Canis Minor, Orion

Question 43

What main star does Auriga have?

Answer 43

Capella

Question 44

What astronomical objects does Taurus have?

Answer 44

Aldebaran, the Hyades and Pleiades (open clusters), and M1 (the crab nebula, a supernova remnant)

Question 45

What major two stars are in Gemini?

Answer 45

Castor and Pollox

Question 46

What main star is in Canis Major?

Answer 46

Sirius

Question 47

In which constellation is Procyon located?

Answer 47

Canis Minor

Question 48

Which constellation is Betelgeuse and Rigel located?

Answer 48

Orion

Question 49

What constellation is in the winter-spring sector?

Answer 49

Cancer

Question 50

Where is the horse head nebula located?

Answer 50

Orion

Question 51

What open cluster is in Cancer?

Answer 51

M44