How did the constellation Cetus get its name?
Also known as the Whale, it is one of the largest constellations in the sky. The constellation was named after Cetus, the sea monster from the Greek myth about Andromeda. In the myth, the princess was sacrificed to the monster as punishment for her mother Cassiopeia’s boastfulness.
What is the myth of Cetus the whale?
The Mythology of Cetus. Cetus, the whale or sea monster, was a minion of Poseidon, the god of the oceans. One day Poseidon was angered by Cassiopeia, the mother of Andromeda, for boasting of her daughter’s beauty and claiming it to be greater than Poseidon’s minions, the Neried.
What is the story of Cetus?
Cetus was a large mythical sea whale that lived off the coast of Philistia, now present day Ethiopeia. Cetus was fed humans to keep it from attacking the city.
What is the largest star in the constellation of Cetus?
The current largest star so far identified in the constellation of Cetus is Mira. There are 1 deep space objects that were identified by Charles Messier in this constellation. There are 41 non-Messier deep space objects that are covered on this site and the list is below.
What is the name of the star in Cetus?
It was catalogued by the Greek astronomer Ptolemy in the 2nd century. Cetus is home to the barred spiral galaxy Messier 77 and several well-known stars: Diphda (Beta Ceti), Menkar (Alpha Ceti), Tau Ceti and the famous variable star Mira (Omicron Ceti).
How many stars does Cetus have?
Cetus has 14 stars with known planets and contains one Messier object, Messier 77 (M77, NGC 1068). The brightest star in the constellation is Diphda (Beta Ceti). There are three meteor showers associated with Cetus: the October Cetids, the Eta Cetids, and the Omicron Cetids.
What constellation is the water?
The constellation Cetus lies in the region of the sky called the Water, along with several other constellations with names evocative of water: Eridanus (the river), Aquarius (the water bearer), Pisces (the fish), etc. It was catalogued by the Greek astronomer Ptolemy in the 2nd century. Cetus is home to the barred spiral galaxy Messier 77 …
What is the 4th largest constellation in the sky?
FACTS, LOCATION & MAP. Cetus is the fourth largest constellation in the sky, occupying an area of 1231 square degrees. It lies in the first quadrant of the southern hemisphere (SQ1) and can be seen at latitudes between +70° and -90°. The neighboring constellations are Aquarius, Aries, Eridanus, Fornax, Pisces, Sculptor, and Taurus.
Why is the constellation Cetus named after the sea monster?
The constellation was named after Cetus, the sea monster from the Greek myth about Andromeda. In the myth, the princess was sacrificed to the monster as punishment for her mother Cassiopeia’s boastfulness. The constellation Cetus lies in the region of the sky called the Water, along with several other constellations with names evocative …
What is Cetus’s body like?
Cetus was commonly depicted by the Greeks as a hybrid creature. It had forefeet, huge jaws, and a scaly body like a giant sea serpent. Even though the constellation is also known as the Whale, the mythical creature in the depictions does not in fact look like a whale.
How far away is Alpha Ceti?
Alpha Ceti is a very old red giant star, approximately 249 light years distant. The star will eventually eject its outer layers to form a planetary nebula, leaving a large white dwarf remnant. It has an apparent magnitude of 2.54.
What is the name of the first variable star in the solar system?
The collection of stars in the system is just enigmatic. The star named Mira was the first variable star of the system and was designated as the first prototype of its class. It can be viewed with the naked eye over a duration of around 332 days and has a magnitude of around 3. The star also disappears in the remaining tie period, with a magnitude of 10 and thus, this fluctuation in its appearance gives it thee name which means “amazing one.” Alpha Ceti was called Menkar earlier and is a red-hued giant star. It is almost 220 light years away from our planet and is a double star system. Cetus also has 93 Ceti which is a blue-white hued of magnitude 5.6.
What is the most powerful creature in the seas?
When asked about the most powerful creature of the seas, which creature comes to the mind? More often than not, it will be the whale that will first enter our imagination. And so is the case with the skies too. The whale is not only the most powerful animal in the seas but is also the figure of influence in the night sky. The constellation of Cetus derives its name from a Greek sea monster, which resembled a whale. This star system is at the same location where the other water-based constellations are present. This includes the constellations of Aquarius , Eridanus, and Pisces.
What is the name of the star system?
Name of the star system is derived from the whale. The whale had a huge importance in the Mesopotamian culture and was considered a sea monster . The myth has it that Cetus, the sea monster saved Andromeda from Poseidon’s fury and was therefore killed by Perseus. The constellation is also located in the region named “The Sea” as a lot of water-based constellations are present there.
What is the brightest star in the solar system?
Beta Ceti is the brightest star in the system and is also called the Diphda. The orange-hued star is considered the tail of the whale. Gamma Ceti is a double star, with a yellow-hued primary star and a blue-hued secondary star. The nearest Sun-like star closest to our solar system is Tau Ceti and has a yellow-sequence main sequence star.
How many stars are in Cetus?
There are 15 stars that make up the main constellation. The hipparcos satellite scanned and detailed 2965 stars. There are 214 stars that can be seen with the naked eye in the constellation on a very clear night sky. Cetus is not a member of the Zodiac group of twelve constellations that appear when the Sun sets.
What is the 4th largest constellation in the sky?
Cetus is the 4th largest in terms of size in the night sky. The constellation name means The Whale . The constellation is one of the original constellations that was devised by the Ancient Greco-Egyptian astronomer Ptolemy who lived between 90 A.D. and 168 A.D. There are 15 stars that make up the main constellation.
How many degrees does Cetus take up?
The sky is not divided up equally between the constellations. Cetus takes up 1231.411 sq. degrees of the night sky which equates to 2.99% of the night sky. Cetus is the 4th largest in terms of size in the night sky.
Why did Perseus use his shield as a mirror?
In order to avoid being turned to stone, he would use his shield as a mirror so that he could not be turned to stone as he killed her and chop off her head. Once he had successfully killed Medusa, he flew back to the city and turned Cetus to stone. Perseus rescued Andromeda.
Why was Cetus put in the sea?
Cetus was fed humans to keep it from attacking the city. It had been put there because Queen Cassiopeia had upset the God Poseidon with her vanity.
What is the ecliptic of the zodiac?
The Ecliptic is the path that the Earth takes round the Sun. The Earth is titled at 23.44° which is why the two differ. The Zodiac constellations are based on the Ecliptic. There are 51 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site.
Why can’t you go to one location and arrive at the constellation?
You can’t just go to one location and arrive at the constellation because the constellation is made up of stars at different locations and different distances. The nearest main star in the constellation is at a distance of 11.91 light years and the furthest main star is a distance of 649.73 light years. The average distance to the main stars is …
What constellation is Cetus in?
Cetus – Constellation Facts. Cetus is the sea monster in Greek mythology that had Andromeda left as a sacrifice for her mother’s vanity. It lies in the first quadrant of the Southern hemisphere and is located specifically between latitudes of +70° and -90°.
What is the magnitude of NGC 1073?
NGC 1073: this galaxy has an H II nucleus and an apparent magnitude of 11.5. NGC 45: discovered in 1835, this barred spiral galaxy is located 32.6 million light-years away. NGC 17: believed to be the result of two disk galaxies merging, NGC 17 is located 250 million light-years away and is catalogued as a spiral galaxy.
What is Cetus’s mythology?
As Greek mythology tells the tale, Cetus was the sea monster that was to devour Andromeda for her mother’s vanity. However, even though Cetus is depicted as a whale, the Greek mythology portrays this beast as a hybrid of sorts. It had a scaly body like a sea serpent, huge jaws and feet on the front of its body.
How big is NGC 1055?
NGC 1055: seen on its edge, this spiral galaxy has a diameter of around 115,800 light-years and is also a known radio source.
Why is NGC 1042 associated with NGC 1035?
NGC 1042: this spiral galaxy is associated with NGC 1035 because of their close proximity and they are alike in redshifts.
Which star is brighter, Deneb Kaitos or Cetus?
Out of all the stars that make up the Cetus constellation, none shine brighter than Deneb Kaitos (Diphda) ~ (Beta Ceti). This star is evolving from an orange giant into a red giant, with a surface temperature of 4,800 Kelvins; making it a bit less than our Sun.
Which constellation is Deneb Kaitos in?
Deneb Kaitos (Diphda) ~ (Beta Ceti) shines the brightest in the Cetus constellation (which will be discussed later in detail). Menkar (Menkab) ~ (Alpha Ceti) is a very old red giant on its way to being a white dwarf; it does this by ejecting its outer layers to form a planetary nebula. Its Arabic name means “nostril.”.
What is the name of the star in the constellation Cetus?
Cetus, (Latin: “Whale”) constellation in the southern sky, at about 2 hours right ascension and 10° south in declination. The brightest star, Deneb Kaitos (from the Arabic for “tail of the whale”), has a visual magnitude of 2.04. The most famous star in Cetus is Mira Ceti, or Omicron Ceti, the first known variable star. Mira Ceti changes its brightness from third to ninth magnitude over a period of 330 days. In Greek mythology, Cetus was the sea monster that was sent by Poseidon to devour Andromeda, daughter of King Cepheus of Ethiopia. In some accounts, the Greek hero Perseus used the Medusa ’s head to turn Cetus to stone; in others, Perseus killed Cetus with his sword.
How long did Mira Ceti last?
Mira Ceti changes its brightness from third to ninth magnitude over a period of 330 days. In Greek mythology, Cetus was the sea monster that was sent by Poseidon to devour Andromeda, daughter of King Cepheus of Ethiopia.
What is the unit of time for the position of an object in the sky?
declination. Declination, in astronomy, the angular distance of a body north or south of the celestial equator. Declination and right ascension, an east-west coordinate, together define the position of an object in the sky.
What is the coordinate of right ascension?
From the earliest…. Right ascension, in astronomy, the east–west coordinate by which the position of a celestial body is ordinarily measured; more precisely, it is the angular distance of a body’s hour circle east of the vernal equinox, measured along the celestial equator.
What is constellation in astronomy?
Constellation, in astronomy, any of certain groupings of stars that were imagined—at least by those who named them—to form conspicuous configurations of objects or creatures in the sky. Constellations are useful in assisting astronomers and navigators to locate certain stars. From the earliest…. right ascension.
The mythology of Cetus
In Greek mythology, Cetus was a fearsome sea monster. Cetus nearly ate Andromeda the Chained Lady before Perseus arrived and saved the day, slaying Cetus. Depending on the myth you read, Cetus either meets its fate on the sword of Perseus or by turning to stone after viewing the severed head of Medusa.
The stars of Cetus the Whale
The brightest star in the head of Cetus is Menkar, shining at magnitude 2.54. It’s the second brightest star in Cetus and also goes by the name Alpha Ceti. The star that marks where the whale’s head joins its neck is the 3.47-magnitude star Kaffaljidhma, or Gamma Ceti. Moving toward the body of the whale is Delta Ceti at magnitude 4.08.
Galaxies in Cetus the Whale
The one Messier object in Cetus is the galaxy M77. It lies just a degree east-southeast of the star Delta Ceti. M77 shines at magnitude 8.8 from 47 million light-years away. The face-on spiral galaxy has an active galactic nucleus and a noticeably bright center.
Nebulae in Cetus the Whale
One notable planetary nebula lies six degrees north of the brightest star Diphda, or Deneb Kaitos. NGC 246 has a magnitude of 8. The nebula has a bubble- or ring-shaped appearance. Planetary nebulae come into being when stars puff off material toward the end of their lives.
Who was Cetus?
Cetus signified a large sea monster, fish or whale in Greek mythology . The sea monsters that the heroes Perseus and Heracles killed during their adventures were also described with the word cetus.
What is the Greek word for a large sea monster?
Cetus. Cetus. Myths / Monsters / Cetus. Cetus signified a large sea monster, fish or whale in Greek mythology. The sea monsters that the heroes Perseus and Heracles killed during their adventures were also described with the word cetus.
Why did Poseidon send Cetus?
Poseidon was infuriated by the insolence of the mortal woman, and sent a sea monster named Cetus to destroy the shores of the region. Cassiopeia and her husband Cepheus asked the advice of an oracle that told them they should sacrifice their daughter to the monster, in order to appease the god.
Who is the cetus in Perseus?
The cetus that is mentioned in the story of Perseus is probably the better known one. It all happened when Cassiopeia, queen of Aethiopia, boasted that her daughter Andromeda surpassed the Nereid nymphs in beauty.
Who freed Andromeda and used Medusa’s head to turn it into stone?
Just before Cetus attacked her, Perseus appeared and learned of what was about to happen. He freed Andromeda and either slew the monster with his sword, or used Medusa ‘s head to turn it to stone. See Also: Perseus, Heracles, Cassiopeia, Andromeda, Nereids, Poseidon, Cepheus, Medusa.