
Physics
Let’s learn about gravity
Gravity is an attraction between objects with mass. The more massive the object, the more gravity it’s got.
Gravity is an attraction between objects with mass. The more massive the object, the more gravity it’s got.
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Searching through data from NASA’s K2 Mission, researchers found a new planet. Some call it K2-315b, others smile and refer to it as “Pi Earth.”
Broken cables led to catastrophic damage of its history-making dish. The U.S. National Science Foundation will now dismantle what remains.
Damage to the radio telescope in Puerto Rico has robbed scientists of a special tool for studying everything from asteroids to galaxies.
This is the first time that scientists have seen hints of these weird side effects of lightning storms somewhere other than on Earth.
The new observations were made by a telescope on board a jet in Earth’s atmosphere. They confirm the presence of water on sunlit areas of the moon.
Traveling to Mars offers many challenges, including life without gravity, cosmic rays and communication delays.
Nucleus comes from the Latin term “nuc,” meaning nut or kernel. In science there are lots of nuclei. Every one of them is the center of something.
When mixed with rocky soil, a compound called chitin makes a strong material. It could be pulled from the shells of insects used for food.
Astronauts that go to Mars will need protection from microgravity and radiation, plus mini-medical devices to diagnose problems and manage emergencies.