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...agnetometer boom of a Voyager spacecraft, the boom allows the magnetometer to make observations with less interference from the spacecraft itself]] ...ing magnetometers,{{example needed|date=December 2018}} including attempts to define the shape and activity of [[Saturn]]'s core. ...

{{short description|Ratio of a slightly volatile element, potassium (K), to a highly refractory element, uranium (U).}} ...]](K), to a highly refractory element, [[uranium]] (U). It is a useful way to measure the presence of volatile elements on planetary surfaces. The K/U r ...

...o a point ''P''₂ in a time ''T''. The time of flight is related to other variables by Lambert's theorem, which states: ...vityassist.com/IAF1/Ref.%201-77.pdf ''The Application of Lambert's Theorem to the Solution of Interplanetary Transfer Problems''], Jet Propulsion Laborat ...

A '''planetary coordinate system''' (also referred to as '''''planetographic''''', '''''planetodetic''''', or '''''planetocentric ...> [[Mars]],<ref>Davies, M. E., and R. A. Berg, "Preliminary Control Net of Mars,"Journal of Geophysical Research, Vol. 76, No. 2, pps. 373-393, January 10, ...

{{Short description|Comet that had a close encounter with Mars in 2014}} ...ihelion [[orbital period]] ([[Epoch (astronomy)|epoch]] 2050) is estimated to be roughly 1 million&nbsp;[[Julian year (astronomy)|years]].<ref name="bary ...

{{Short description|Presence of methane on Mars}} [[File:Martian Methane Map.jpg|thumb|260px|The source of Mars methane is unknown; its detection is shown here.]] ...

...description|Angle between the orbital plane of a satellite and the vector to the sun}} ...a given beta angle at a given [[orbital altitude]] have the same exposure to the Sun, even though they may be orbiting in different planes around [[Eart ...

...g|thumb|Mars ''[[Curiosity (rover)|Curiosity]]'' rover powered by a RTG on Mars. White RTG with fins is visible at far side of rover.]] ...owered by radioactive decay and can keep components from becoming too cold to function, potentially over a span of decades.<ref name=doe1>{{cite web|titl ...

{{Short description|Cancer causing exposure to ionizing radiation in spaceflight}} ...cut and paste from the public domain study by NASA). It needs to be moved to a more encyclopedic topic heading, perhaps something like [[Cancer and spac ...

...[[spaceflight]] using this form of [[spacecraft propulsion]] is theorized to be significantly less expensive than spaceflight using [[rocket engine]]s. ...[orbital maneuver]]ing, or as part of a planetary-surface-to-orbit / orbit-to-escape-velocity space transportation system. ...

...assed through a [[rocket nozzle|nozzle]] to produce [[thrust]], as opposed to being internally heated by a [[reduction oxidation|redox]] ([[combustion]]) ...on mass, the maximum theoretical specific impulse is directly proportional to the [[thermal velocity]] of the heated gas: ...

...gravity environments found on celestial bodies such as the [[Moon]] and [[Mars]].<ref>{{Cite book |url=https://www.taylorfrancis.com/books/9781482265057 | ...maceuticals]] that cannot be easily produced on Earth, potentially leading to groundbreaking advancements in various industries.<ref>{{Cite web |last=Pap ...

...nd to fine-tune the physical properties of the resulting material in order to suit intended applications. ...ation process. The [[non-ionic surfactant]] is [[calcination|burned away]] to produce empty pores, increasing the surface area and altering the [[morphol ...

Disposing large quantities of waste heat must be considered in order to realize a large-space structure (LSS) that handle high power such as a [[Nu | mission to Mars ...

...one of the most [[Impulse (physics)|powerful]] operational launch vehicles to date]] ...does not include suborbital launches (i.e. flights which were not intended to reach LEO or VLEO). ...

...ogen and methane. Triton's geology is vigorous, and has been and continues to be influenced by its unusual history of capture, high internal heat, and it ...observations of the moon as of 2024. A number of proposals have been made to follow up on ''Voyager 2''{{'}}s discoveries, such as ''[[Trident (spacecra ...

...ng the orientation of a [[spacecraft]] (vehicle or satellite) with respect to an [[inertial frame of reference]] or another entity such as the [[celestia ...ues needed to orient the vehicle to a desired attitude, and [[algorithms]] to command the actuators based on the current attitude and specification of a ...

...rce in the center of the image, while background stars appear streaked due to the speed of {{okina}}Oumuamua as the telescope tracked it.<ref name="apod- ...moving objects) around 1 January 2018. By late 2019, it should have dimmed to 34 mag.}} ...

...ipp"/> The [[coronal mass ejection]] (CME)'s transit time from the [[Sun]] to the [[Earth]] is the fastest ever recorded.<ref name="Conversation"/> ...lassification|X-class]]) during the time it was facing Earth, from 29 July to 11 August.<ref name="Bhonsle"/> It also produced multiple relatively rare w ...

...ntal]], [[molecule|molecular]], and [[mineral]]ogical composition in order to obtain information on the [[astronomical object]]s occurring in [[outer spa Three phenomena that relate (we know today) to cosmic dust were noticed by humans for millennia: [[Zodiacal light]], [[com ...