Mercury
What are the unmanned spacecrafts that have been sent to Mercury?
These are dark areas on the sun's surface.
What are sunspots?
These are human made objects which have been sent into orbit around Earth to relay communications, take pictures, and perform other tasks.
What are satellites?
The word aster means...
What is star?
The reason the moon is bright at night.
What is reflects the sun?
When astronomers see Mercury blocking out a tiny portion of the sun.
What is transiting?
The sun, and all bodies that orbit around it form this.
What is the solar system?
When lava is still inside a volcano.
What is molten rock?
This is a HUGE system of gas, dust, and stars. Our solar system is found at one of the far edges of it.
What is the Milky Way Galaxy?
The phase of the moon when we can only see the dark side.
What is a new moon?
The oval pattern of Mercury revolving around the sun.
What is elliptical?
Colorful electrical lights in the night sky are called...
What are auroras?
Sends out signals and then waits for the signals to bounce off of something and come back.
What is Radar?
Man-named patterns of stars in the night sky.
What are constellations?
The reason the sky on the moon looks black.
What is has no atmosphere?
The sky always looks dark from Mercury because it lacks these.
What air particles?
This is the innermost part of the sun where it's energy is generated.
What is the core?
The reason why Venus' surface temperature does not vary.
What is clouds (or atmosphere)?
The satellites in orbit around earth.
What is the Hubble Space Telescope?
This causes the tides on the oceans on earth.
What is the moon's gravity?
The Romans named Mercury after their god of this.
What is travel?
During an eclipse, the little points of light.
What are Bailey's Beads?
The Soviet spacecraft that landed on Venus.
What is the Venera 13?
The acronym for N.A.S.A. stands for...
What is the National Aeronautics and Space Administration?
The same side of the moon is always facing the earth because of this...
What is the moon's slow rotation?