Cassiopeia
noun
Cas·si·o·pe·ia
ˌka-sē-ə-ˈpē-ə 
1
: the wife of King Cepheus who gives birth to Andromeda and is later changed into a constellation
2
[Latin (genitive Cassiopeiae), from Greek Kassiopeia]
: a northern constellation between Andromeda and Cepheus
Examples of Cassiopeia in a Sentence
Recent Examples on the Web
Like Cassiopeia, the Big Dipper is also circumpolar, so the two are always opposite in the northern night sky.
—
Jamie Carter, Forbes, 9 Sep. 2024
In Dallas-Fort Worth, look north and find the constellation Cassiopeia.
—Tasha Tsiaperas, Axios, 15 Aug. 2024
There, in his observatory, Brahe discovered a supernova in the Cassiopeia formation and irregularities in the moon’s orbit, long before the invention of the telescope in 1608.
—Sonja Anderson, Smithsonian Magazine, 2 Aug. 2024
If the Chrysalis is still a dusty construction site, the nearby Cassiopeia is a hive of activity.
—Adrian Cho, science.org, 18 July 2024
Shortly after launch, the observatory focused on what has become an iconic celestial target: supernova remnant Cassiopeia A. Chandra has returned to this feature again and again, revealing new insights each time.
—Ashley Strickland, CNN, 24 July 2024
One image shows Cassiopeia A, a remnant of a supernova 340 years ago.
—Cybele Mayes-Osterman, USA TODAY, 24 July 2024
Chandra has observed Cassiopeia A for more than two million seconds since the start of its mission, and its data adds a web of blue veins to this image, depicting hot debris from the explosion and its associated blast wave.
—Carlyn Kranking, Smithsonian Magazine, 23 July 2024
For about half a year, the 'new' star appeared in the constellation Cassiopeia.
—Eric Berger, Ars Technica, 28 Mar. 2024
Jamie Carter, Forbes, 9 Sep. 2024
In Dallas-Fort Worth, look north and find the constellation Cassiopeia.
—Tasha Tsiaperas, Axios, 15 Aug. 2024
There, in his observatory, Brahe discovered a supernova in the Cassiopeia formation and irregularities in the moon’s orbit, long before the invention of the telescope in 1608.
—Sonja Anderson, Smithsonian Magazine, 2 Aug. 2024
If the Chrysalis is still a dusty construction site, the nearby Cassiopeia is a hive of activity.
—Adrian Cho, science.org, 18 July 2024
Shortly after launch, the observatory focused on what has become an iconic celestial target: supernova remnant Cassiopeia A. Chandra has returned to this feature again and again, revealing new insights each time.
—Ashley Strickland, CNN, 24 July 2024
One image shows Cassiopeia A, a remnant of a supernova 340 years ago.
—Cybele Mayes-Osterman, USA TODAY, 24 July 2024
Chandra has observed Cassiopeia A for more than two million seconds since the start of its mission, and its data adds a web of blue veins to this image, depicting hot debris from the explosion and its associated blast wave.
—Carlyn Kranking, Smithsonian Magazine, 23 July 2024
For about half a year, the 'new' star appeared in the constellation Cassiopeia.
—Eric Berger, Ars Technica, 28 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'Cassiopeia.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near Cassiopeia
Cite this Entry
“Cassiopeia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Cassiopeia. Accessed 5 Nov. 2024.
Copy CitationKids Definition
Cassiopeia
noun
Cas·si·o·pe·ia
ˌkas-ē-ə-ˈpē-(y)ə
: a northern group of stars between Andromeda and Cepheus
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