The speediest planet.
What is Mercury?
First man to walk on the moon.
Who is Neil Armstrong?
The back-and-forth motion that repeatedly follows the same pattern.
What is an oscillation?
Hot center of the sun.
What is the core?
Brightest star in the sky.
What is Betelgeuse?
Discovered by the Herschels.
What is Uranus?
Discovered that white light is a combination of many colors.
Who is Sir Isaac Newton?
The length of one complete wave or cycle of oscillation.
What is a wavelength?
Hottest region of the sun's atmosphere.
What is the corona?
Star system containing millions to billions of stars.
What is a galaxy?
Known for its rings.
What is Saturn?
The "Father of Modern Rocketry"
Who is Robert Goddard?
Single rise or depression of a wave.
What is a pulse?
Dark patches on the sun's surface caused by the sun's magnetic field.
What are sunspots?
Large clouds of gas and dust floating in space.
What are nebulae?
Often called the morning star.
What is Venus?
First man to travel in space.
Who is Yuri Gagarin?
The bending of any wave direction at the boundary between two wave media.
What is refraction?
Huge loops of cooler gas erupting thousands of miles from the chromosphere that are suspended in space by the sun's magnetic field.
What are prominences?
Found in constellation Ursa Minor, also known as the North Star.
What is Polaris?
Largest moon is Ganymede.
What is Jupiter?
First American to orbit the Earth.
Who is John Glenn?
Orbit that allows a satellite to remain in the same spot above earth at all times.
What is geostationary?
Tremendous bursts of energy caused by sudden changes in the sun's magnetic field.
What are solar flares?
Often confused with the planet Mars because of its brightness and reddish color.
What is Antares?