Search results

It is estimated this stellar stream contains about 1400 stars and has a [[solar mass]] of 770 <math>M\odot</math>. == Stars == ...

...r 1,048 times the mass of Jupiter. Masses of other [[star]]s and groups of stars are listed in terms of solar masses. Its mathematical symbol and value are: ...

...cs/ask_astro/answers/980603a.html |title=Ask an astrophysicist: Wolf-Rayet Stars |last=Cannizzo J.K. 1998 |work=Nasa.gov }}</ref> (The last number is one mi ...n color.<ref name=wc>Sander A; Hamann W.R. & Todt H. 2012. The galactic WC stars. ''Astronomy & Astrophysics'' '''540''': A144. [http://www.aanda.org/index. ...

...ty of the central star clusters, suggesting there are 10 to 100 supergiant stars in each of these, packed into regions just a few [[parsecs]] across.]] ...

...30px|[[Hubble telescope]] image known as ''[[Pillars of Creation]]'' where stars are forming in the [[Eagle nebula]]]] ...985ApJ...289..373S}}</ref> The nearest nebula to the [[Sun]] where massive stars are being formed is the [[Orion nebula]], {{convert|1300|ly|km|abbr=on}} aw ...

...t known star in the [[constellation]] Ophiuchus, and the [[List of nearest stars|fourth-closest]] known individual star to the Sun, after the three componen ...ode = 2005AAS...206.0904R| title=Barnard's Star as a proxy for old disk dM Stars: magnetic activity, light variations, XUV irradiances, and planetary habita ...

...nd tracking objects for observers on Earth. It is based on the position of stars relative to an observer's true or ideal horizon. The equatorial coordinates are based on the position of stars relative to the Earth's [[equator]]. Imagine the Earth's equator extended o ...

...fy the coming [[redshift]] from first [[hydrogen atom]]s just as the first stars began to produce light. DARE will use the [[redshift]]ed 21-cm transition l ...[[Big Bang]]. The mission will deliver data of the formation of the first stars, the beginning of [[black hole]] accretions, and the [[reionization]] of th ...

As the Earth orbits around the Sun, the position of nearby stars will appear to shift slightly against the more distant background. These sh | journal=Binary Stars as Critical Tools and Tests in Contemporary Astrophysics: International Ast ...

...n}}. He also believed that [[perpetual motion]] was impossible, except for stars. ...

...e 1,296,000,000 milliarcseconds in a full circle. The [[red supergiant]] [[stars]] [[Antares]], [[Betelgeuse]],<ref>{{Cite web |url=http://www.astroscu.unam ...

...]] suddenly drops as a result of its approach to the [[magnetopause]]. For stars, this border is usually the edge of the [[Stellar-wind bubble|astrosphere]] == Around other stars == ...

...a (usually two-armed) [[spiral]] structure, and a central concentration of stars known as the [[bulge (astronomy)|bulge]], which is similar in appearance to ...lar galaxies have no visible spiral structure and are not actively forming stars in any significant amount.<ref>{{Cite web|url=http://cas.sdss.org/dr2/en/pr ...

:''f''_''p'' = the fraction of those stars that have [[planet]]s ...

Image:Haeckel_Ophiodea.jpg|An illustration of [[brittle stars]], also echinoderms with a pentagonal shape. ...

...vation of angular momentum is also why hurricanes have spirals and neutron stars have high rates of rotation. ...

...be carried, since [[solar panel]]s do not work far from the Sun and other stars. The magnitude of this energy may make interstellar travel impossible.<ref ...ll take from a few months to a little over a decade. The distance to other stars is much greater. If the distance from Earth to Sun is scaled down to one me ...

...on moves around the earth. It is also used to calculate how other planets, stars and objects in space move around. ...

|title=Account of a new discoved Motion of the Fix'd Stars ...on of stars to move around. From the angular difference in the position of stars,<ref>at most 20.5 [[arcsecond]]s ...

* The masses of stars are very large and are sometimes expressed in units of [[solar mass]]es. ...