Most of the information about the Moon's internal structure comes from ________ left on the lunar surface by Apollo astronauts
Fill in the blank(s) with correct word
seismographs
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Inside an accelerating spaceship in deep space, a sideways-tossed ball will
A) curve as it would in a gravitational field equal to the spaceship's acceleration. B) follow a straight-line path from one side of the interior to the other. C) fall in a semi-circular path.
Latent Heats: Solar houses use a variety of energy storage devices to retain the heat absorbed during the day so that it can be released during the night. Suppose that you were to use a device of this kind to produce steam at 100°C during the day, and then allow the steam to cool to 0°C and freeze during the night. How many kilograms of water would be needed to store 20.0 kWh of energy in this way? The latent heat of vaporization of water is 22.6 × 105 J/kg, the latent heat of fusion of water is 33.5 × 104 J/kg, and the specific heat capacity of water is 4186 J/kg ? K.
A. 12.4 kg B. 23.9 kg C. 35.7 kg D. 42.6 kg E. 54.2 kg
How is Neptune's moon Triton important to our understanding of the Kuiper belt origin?
A. Triton has a backward orbit, which indicates that it was captured by Neptune from the Kuiper belt. The study of Triton helps to understand other Kuiper belt objects. B. Triton's orbit is very close to the Kuiper belt and it can capture comets that then hits its surface. C. The study of the Triton's surface helps to understand composition of Kuiper belt objects. D. Triton has a backward orbit, which indicates that there is a strong influence on it from the Kuiper belt. The study of Triton helps to calculate the characteristics of Kuiper belt objects. E. Triton's orbit is very close to the Kuiper belt and it can affect the orbits of comets and send them towards the Sun, which helps us to study the comets that travel close to Earth.
Pluto was named after the Roman god of the dark underworld, and also for ________
Fill in the blank(s) with correct word