Molecular lines, such as TiO, are only found in very hot stars
Indicate whether the statement is true or false
FALSE
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Star cluster NGC 4755, also known as the Jewel Box, is located in the constellation _____
A) Aquila B) Tucana C) Crux D) Pictor
The energy levels for electrons vary from one element to another
Indicate whether the statement is true or false
Molecular Speeds: If an ideal gas molecule has a speed of 0.50 km/s at 20°C, what is its speed at 80°C?
A. 500 m/s B. 550 m/s C. 1000 m/s D. 2000 m/s
Which of the following is TRUE?
A. Mercury has a very thick atmosphere made mostly of carbon dioxide. B. Venus has no volcanos on its surface. C. Mercury rotates exactly one and a half times for every one revolution around the Sun. D. The runaway greenhouse effect causes the present temperatures on Mars to exceed those on Earth. E. The average surface temperature of Venus is about 30 degrees Fahrenheit.