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Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; ... 13.2 1.54 HD 49798 (O6p) LMC X-4: 13.5 1.41
In 2023 a team found that SIMP0136 has patchy forsterite (Mg 2 SiO 4) clouds above an iron cloud deck. This patchy cloud layer covers between 69% and 72% of the surface of the object. [10] In 2024 a team re-analysed the 2015 data and detected a phase shift between the J-band and K s-band of 39.9 +3.6 −1.1 °. The team concluded that the phase ...
The magnetosphere of Jupiter is the cavity created in the solar wind by Jupiter's magnetic field.Extending up to seven million kilometers in the Sun's direction and almost to the orbit of Saturn in the opposite direction, Jupiter's magnetosphere is the largest and most powerful of any planetary magnetosphere in the Solar System, and by volume the largest known continuous structure in the Solar ...
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A magnetar is a type of neutron star with an extremely powerful magnetic field (~10 9 to 10 11 T, ~10 13 to 10 15 G). [1] The magnetic-field decay powers the emission of high-energy electromagnetic radiation, particularly X-rays and gamma rays. [2] The existence of magnetars was proposed in 1992 by Robert Duncan and Christopher Thompson. [3]
Jupiter's magnetic field is the strongest of any planet in the Solar System, [102] with a dipole moment of 4.170 gauss (0.4170 mT) that is tilted at an angle of 10.31° to the pole of rotation. The surface magnetic field strength varies from 2 gauss (0.20 mT) up to 20 gauss (2.0 mT). [ 123 ]
A rendering of the magnetic field lines of the magnetosphere of the Earth. In astronomy and planetary science, a magnetosphere is a region of space surrounding an astronomical object in which charged particles are affected by that object's magnetic field. [1] [2] It is created by a celestial body with an active interior dynamo.
In 1982, Don Backer led a group that discovered PSR B1937+21, a pulsar with a rotation period of just 1.6 milliseconds (38,500 rpm). [28] Observations soon revealed that its magnetic field was much weaker than ordinary pulsars, while further discoveries cemented the idea that a new class of object, the "millisecond pulsars" (MSPs