In what ways are ground-based observatories catching up with Hubble?
What will be an ideal response?
Ground-based telescopes have now been built much larger than the Hubble's mirror, and with adaptive optics, can cancel out much of the seeing problems of the atmosphere, giving "space-like" image quality from the ground with huge mirrors for enhanced resolution and light-collecting ability. Optical interferometry is used with ground-based telescopes to further improve their resolution.
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Two point charges, one q and the other -q, form a dipole separated by a distance 2L. A third charge Q is placed midway between these two charges. If the only charge that is negative is -q, what is the force on Q?
The ____________________ hypothesis suggests that the Milky Way galaxy formed from a single cloud that flattened into a disk
Fill in the blank(s) with correct word
Which unit represents the most energy?
A) calorie B) Calorie C) joule D) all the same
You press a stick that has a varying cross-sectional area horizontally between the palms of your hands. The area of the stick pushing against your left palm is twice the area of the stick pushing against your right palm.The pressure on your left palm is __________ the pressure on your right palm
Fill in the blank(s) with correct word