By Robert Gardner
Why does not the Moon fall to Earth? Why do the seasons swap? what's parallax? how will you simulate weightlessness in the world? younger scientists will discover the sun approach via utilized area technology answering questions about house. The far-out area experiments during this ebook may also help scholars make a version of a lunar eclipse, construct a spectroscope, and extra! Many experiments comprise principles scholars can use for technology reasonable initiatives.
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Additional info for Ace Your Space Science Project
Sirius is the brightest star in the sky. In kilometers, how far from Earth is Sirius? If you were in a spaceship traveling at an average speed of 300 km/s, how long would it take you to reach Alpha Centauri, the closest star to Earth (other than our Sun)? Chapter 3 The Sun: Our Very Own Star DID YOU KNOW THAT WE HAVE OUR VERY OWN STAR? THAT STAR IS THE SUN. Because the Sun appears to be so much bigger than all the other stars we see, we normally don’t think of it as a star. But it is! It looks much bigger than other stars because it is so close to us.
Turn it so that, when light comes through the grating, the light spreads out into a horizontal spectrum of colors. You can buy diffraction gratings in a hobby shop or order one from a scientific supply company. Cover the rest of the inside of the box with black construction paper and tape it shut. Hold the spectroscope so that the slit in the box is parallel with the bright filament of a showcase lamp or an unfrosted light bulb. Look to either side of the slit. You will see a spectrum containing all the colors of the rainbow.
If the star is traveling away from us, its light waves are “stretched” into longer wavelengths. This phenomenon is known as the Doppler effect. You have probably observed this effect with sound. If a car is approaching you with its horn blaring, the pitch seems higher than normal because the vibrations are more frequent than normal. The sound waves are “squeezed” together because the horn is traveling toward you as it emits sound waves. Thus, one wave follows the next sooner than it would if the car were at rest.