Optical "window"
gamma rays provide information about the explosions
of supernovas. this information is most likely collected
by - (8.8c, 8.3b)
a special telescopes on jet airplanes
b radio telescopes on the ground
c optical telescopes in observatories
d digital telescopes in high-altitude balloons

What causes the cyclical changes in the appearance of the moon?

[fw.02]diana is studying four surface features of florida. she classifies the surface features and places them in different columns of a chart as shown below. surface features column 1 column 2 hot springs sinkholes caverns geysers which of these titles best represents column 1 of diana's chart? formed by freezing groundwater o formed by heating groundwater o formed by evaporation of groundwater o formed by chemical action of groundwater

The european union was formally established in