A Moment of Science
Did you know it seems we're discovering a new exoplanet every week?
Here's an odd thing about weightlessness: if it were possible to live in the center of the earth we would be weightless there, too!
Why don't lakes have tides as well? To answer this question, we need first to explore what causes ocean tides.
Astronomers have recently discovered a planet 15,000 light years away, making it one of the farthest known planets outside our solar system. The planet is the second to be detected using a technique called gravitational microlensing. Learn more on this Moment of Science.
Clouds form when warm, moist air rises to a greater altitude, causing it to expand and cool. Eventually, water vapor in the cooled air condenses into the droplets that form clouds.
Is the force of gravity increasing? Find out on this Moment of Science.
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