Reference Terms
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Gas giant
A gas giant is a large planet that is not primarily composed of rock or other solid matter.
Note: The above text is excerpted from the Wikipedia article "Gas giant", which has been released under the GNU Free Documentation License.
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Space & Time News
March 12, 2025
Mar. 11, 2025 — Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard's Star, the second-nearest star system to ...
Mar. 10, 2025 — Astronomers have peered back to a time when the universe was just less than 300 million years old. The research team, using JWST revealed something extraordinary in the galaxy: significant amounts of ...
Mar. 10, 2025 — A mysterious phenomenon at the center of our galaxy could be the result of a different type of dark ...
Mar. 4, 2025 — The puzzle of predicting how three gravitationally bound bodies move in space has challenged mathematicians for centuries, and has most recently been popularized in the novel and television show '3 Body Problem.' There's no problem, however, with ...
Latest Headlines
updated 12:56 pm ET
Mar. 11, 2025 — A new study has introduced a powerful tool for analyzing satellite imagery of boreal forests (also known as 'Taiga' in North America), offering unprecedented insights into the health and dynamics of ...
Mar. 11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy. Using ...
Mar. 10, 2025 — Researchers have experimentally demonstrated a quantum tornado. Electrons form vortices in the momentum space of the quantum semi-metal tantalum ...
Mar. 6, 2025 — A new study revealed that atmospheric gravity waves play a crucial role in driving latitudinal air currents on Mars, particularly at high altitudes. The findings, based on long-term atmospheric data, ...
Mar. 5, 2025 — Within the next decade, space agencies plan to bring samples of rock from Mars to Earth for study. Of concern is the possibility these samples contain life, which could have unforeseen consequences. ...
Mar. 5, 2025 — Whether it's rivers cutting through earth, lava melting through rock, or water slicing through ice, channels all twist and bend in a seemingly ...
Mar. 5, 2025 — Astronomers have for the first time observed a recurring nova outside of the Milky Way in near-infrared light. The data revealed highly unusual chemical emissions as well as one of the hottest ...
Mar. 5, 2025 — Binary neutron star mergers emit gravitational waves followed by light. To fully exploit these observations and avoid missing key signals, speed is ...
Mar. 5, 2025 — Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several ...
Mar. 5, 2025 — A fresh look at past data reveals that exoplanets with masses similar to Jupiter formed much sooner than previously thought, according to new ...
