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Counter-Earth, a planet situated on the other side of the Sun from that of the Earth. Fifth planet (hypothetical), historical speculation about a planet between the orbits of Mars and Jupiter. Phaeton, a planet situated between the orbits of Mars and Jupiter whose destruction supposedly led to the formation of the asteroid belt. This hypothesis ...
PSR B1620-26 b orbits a pair of stars.The primary star, PSR B1620-26, is a pulsar, a neutron star spinning at 100 revolutions per second, with a mass of 1.34 M ☉, a likely radius of around 20 kilometers (0.00003 R ☉) and a likely temperature less than or equal to 300,000 K.
HD 209458 b is an exoplanet that orbits the solar analog HD 209458 in the constellation Pegasus, some 157 light-years (48 parsecs) from the Solar System.The radius of the planet's orbit is 0.047 AU (7.0 million km; 4.4 million mi), or one-eighth the radius of Mercury's orbit (0.39 AU (36 million mi; 58 million km)).
BBC Studios distributes Frozen Planet II worldwide. The company have pre-sold the documentary to various broadcasters including BBC America in North America, ZDF in Germany, France Télévisions in France, Migu Video in China, NHK in Japan, Friday! in Russia, [6] Mediaset in Italy, [7] KBS in South Korea, [8] and the Nine Network in Australia.
By RYAN GORMAN Scientists may have found Planet X -- the long-rumored object believed to be larger than Earth and further from the sun than Pluto. Planet X and another object dubbed "Planet Y ...
With a full moon on 5 February, experts say the darker evening hours before moonrise in the coming days will be the best bet for spotting it in the sky. How to track green comet over the week 07: ...
Alan Stern calls these satellite planets, although the term major moon is more common. The smallest natural satellite that is gravitationally rounded is Saturn I Mimas (radius 198.2 ± 0.4 km). This is smaller than the largest natural satellite that is known not to be gravitationally rounded, Neptune VIII Proteus (radius 210 ± 7 km).
Planet Labs stock remains far from fulfilling its pre-IPO promises of 2021. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us ...