Our Sun will end its life in a planetary nebula and become a white dwarf
Indicate whether the statement is true or false
TRUE
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Starburst galaxies are invisible in the infrared range
Indicate whether the statement is true or false
Why are X-rays and gamma rays considered dangerous forms of light? a. These forms of light are only produced by large, dangerous machines. b. There is no form of protection from these forms of light
c. These forms of light break through Earth's atmosphere. d. Photons of these wavelengths have high energy. e. These forms of light cause sunburn.
An airplane flies horizontally with a speed of 300 m/s at an altitude of 400 m. Assume that the ground is level. At what horizontal distance from a target must the pilot release a bomb so as to hit the target?
a. 3.0 km b. 2.4 km c. 3.3 km d. 2.7 km e. 1.7 km
Tidal energy projects have no environmental drawbacks
What will be an ideal response?