Astronomical observations of ____________ can easily be performed on the surface of the Earth (at sea level).  (Select All the answers that are correct)Group of answer choicesRadio wavesInfrared lightVisible lightUltraviolet lightX-raysGamma Rays

Which of the following forms of radiation can be shielded by Earth’s atmosphere?Group of answer choicesRadio wavesVisible lightAll of the aboveGamma rays

The form of radiation that can be seen on earth isa. infraredb. visible lightc. ultravioletd. radio waves

By using the _____ you can determine your exact location on Earth.*5 pointselectromagnetic wavesGlobal Positioning Systemcathode-ray tubesradio wavesWhich of the following is changing in an AM radio wave?*5 pointsamplitudewavelengthspeedfrequencyWhich type of radio station transmits radio waves that have a higher frequency?*5 pointsAMFMA television image is produced by a _____ which produces electron beams.*5 pointsremote controlsatellitetransceivercathode-ray tubeRadio stations broadcast radio waves called _____ that have the specific frequency assigned to a station.*5 pointsGPS wavescarrier wavesmicrowavescathode-ray tubes

3. Continue to make observations of the way sunlight hits the Earth at different locations and

What is the primary source of solar energy that reaches the Earth?*1 pointInfrared radiationUltraviolet radiationVisible lightX-rays