A. The color of stars tells its temperature. Give an inference about the temperature of the following stars in comparison with the sun.
1.) Rigel - Rigel appears blue-white in color, which indicates that it is hotter than the sun.
2.) Betelgeuse - Betelgeuse appears red in color, which indicates that it is cooler than the sun.
3.) Aldebaran - Aldebaran appears orange in color, which indicates that it is cooler than the sun.
B. Class O stars are dwarfs and the hottest; while Class M stars are the Red giants. Give an infere about the size of the following stars in comparison with the Sun.
4.) Lacertae- Lacertae is a Class M star, which makes it a red giant, and therefore, larger than the sun.
5.) Antares - Antares is a Class M star, which makes it a red giant, and therefore, larger than the sun.
Answers & Comments
A. The color of stars tells its temperature. Give an inference about the temperature of the following stars in comparison with the sun.
1.) Rigel - Rigel appears blue-white in color, which indicates that it is hotter than the sun.
2.) Betelgeuse - Betelgeuse appears red in color, which indicates that it is cooler than the sun.
3.) Aldebaran - Aldebaran appears orange in color, which indicates that it is cooler than the sun.
B. Class O stars are dwarfs and the hottest; while Class M stars are the Red giants. Give an infere about the size of the following stars in comparison with the Sun.
4.) Lacertae- Lacertae is a Class M star, which makes it a red giant, and therefore, larger than the sun.
5.) Antares - Antares is a Class M star, which makes it a red giant, and therefore, larger than the sun.
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Answer:
A.
1. The Rigel star with blue-white color is hotter than the sun.
2. Betelgeuse star with color red is has lower temperature than to the our sun.
3. The Aldebaran star with color red-orange has low than sun.
B.
4. Lacertae is has twice size to the sun.
5. The Antares Star is 700 Times bigger than the sun.
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