Why is the Hubble Space Telescope equipped with more infrared and ultraviolet detectors than are optical telescopes on the ground?

What will be an ideal response?


Operating above the atmosphere, the HST can pick up energy from both sides of the optical range that are blocked by the opacity of the Earth's atmosphere.

Physics & Space Science

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I observe a galaxy that is 100 million light years away. Which of the following do I see?

A) the light from the galaxy as it is today, and it is redshifted B) the light from the galaxy as it was 100 million years ago, and it is redshifted C) the light from the galaxy as it is today, and it is blueshifted D) the light from the galaxy as it was 100 million years ago, and it is blueshifted E) Nothing: the galaxy lies beyond the cosmological horizon.

Physics & Space Science

If air speed is greater along the top surface of a bird's wings, pressure of the moving air there is

A) unaffected. B) less. C) more. D) turbulent.

Physics & Space Science

The ____________________ of the sun is composed of ionized gas and produces a continuous spectrum with a superimposed emission spectrum

Fill in the blank(s) with correct word

Physics & Space Science

Which two processes can generate energy to help a star or gas cloud maintain its internal thermal pressure?

A) nuclear fusion and gravitational contraction B) nuclear fusion and nuclear fission C) nuclear fusion and supernova D) nuclear fission and supernova

Physics & Space Science