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Topic Review
Corvus
Corvus, Latin for "crow" or "raven," is a small but distinct constellation visible in the southern celestial hemisphere. Its shape is reminiscent of a bird in flight, featuring four bright stars that form the outline of a celestial crow. In ancient mythology, Corvus is associated with various tales, often depicted as a messenger bird serving the gods.
322
08 Mar 2024
Topic Review
Corona Borealis
Corona Borealis, Latin for "Northern Crown," is a constellation in the northern celestial hemisphere, known for its distinctive semicircular shape resembling a crown. Its counterpart in the southern hemisphere, Corona Australis, shares a similar name and mythological association with crowns but lies on the opposite side of the celestial sphere.
284
08 Mar 2024
Topic Review
Corona Australis
Corona Australis, Latin for "Southern Crown," is a small constellation in the southern celestial hemisphere. Situated near the celestial equator, it represents a crown or wreath and is associated with various mythological interpretations across different cultures. Despite its modest size, Corona Australis contains several interesting celestial objects.
125
08 Mar 2024
Topic Review
Coma Berenices
Coma Berenices, Latin for "Berenice's Hair," is a constellation in the northern celestial hemisphere. Named after the ancient Egyptian queen Berenice II, it is renowned for its distinctive asterism resembling a flowing mane of hair. Coma Berenices contains several notable celestial objects, including the Coma Cluster of galaxies.
174
08 Mar 2024
Topic Review
Columba
Columba, Latin for "dove," is a constellation in the southern celestial hemisphere. First introduced by Dutch astronomer Petrus Plancius in the late 16th century, it represents the dove released by Noah from the ark in the biblical story of the Great Flood. Despite its small size, Columba contains several notable celestial objects, including the famous globular cluster NGC 1851 and various open star clusters, making it an intriguing target for astronomers and stargazers alike.
182
08 Mar 2024
Topic Review
Circinus
Circinus is a small, faint constellation located in the southern sky. Named after the Latin word for compass, it was first introduced in the 18th century by the French astronomer Nicolas Louis de Lacaille during his observations of the southern hemisphere. Despite its modest size, Circinus harbors several intriguing celestial objects, including a notable planetary nebula and multiple star systems of scientific interest.
200
08 Mar 2024
Topic Review
Chamaeleon
Chamaeleon, a small and inconspicuous constellation in the southern celestial hemisphere, represents the chameleon, a creature known for its ability to change color and blend into its surroundings. Despite its modest size, Chamaeleon holds significance in astronomy for its proximity to the southern celestial pole and its role in studying star formation and stellar evolution.
177
08 Mar 2024
Topic Review
Cetus
Cetus, known as the Whale, is a large constellation visible in the southern sky. In Greek mythology, Cetus represents the sea monster sent by Poseidon to terrorize the kingdom of Aethiopia, eventually slain by Perseus to rescue Andromeda. As one of the 88 recognized constellations, Cetus holds a special place in the realm of astronomy and mythology.
244
08 Mar 2024
Topic Review
Fundamentals and Mechanisms of Light-Activated Gas Sensors
The light-activated gas sensors show promising results, particularly using visible light as an external trigger that lowers the power consumption as well as improves the stability, sensitivity and safety of the sensors. It effectively eliminates the possible damage to sensing material caused by high operating temperature or high energy light.
110
07 Mar 2024
Topic Review
Experimental Approach to Silicon Heterojunction Tandem Solar Cells
A solar cell, or a photovoltaic (PV) cell, is an electrical device that converts light energy directly into electricity by the photovoltaic effect. There are different types of solar cells. Tandem solar cells could have a very good conversion efficiency in comparison with other types of solar cells. Tandem solar cells are considered the industry’s next step in photovoltaics due to their excellent conversion efficiency. A very good example is the perovskite absorber material that has been developed for efficient tandem solar cells.
174
05 Mar 2024
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