During a solar eclipse, which of the following is true? Another planet blocks the Sun's light from hitting the surface of the Earth.

The Earth blocks the sun's light from hitting the surface of the moon

The Moon blocks the Sun's light from hitting the surface of the Earth.

Another planet blocks the Sun's light from hitting the surface of the Moon.

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.