Datoteka:Artist's concept of Gliese 876 b.jpg

Izvor: Hrvatska internetska enciklopedija
Skoči na:orijentacija, traži

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Sažetak

Opis This is an artist's concept of a gas giant planet orbiting the cool, red dwarf star Gliese 876, located 15 light-years away in the autumn constellation Aquarius. The planet was discovered in 1998. But new Hubble Space Telescope measurements of the star's wobble, caused by the gravitational tug of the planet, firmly establish the planet's mass as being no more than approximately twice that of Jupiter's. The planet is only one fifth the distance from the star as the Earth is from the Sun. Though it is too far away to be photographed by present day telescopes, the planet is presumably a gas giant world that might be encircled by moons, as imagined in this illustration. Gliese 876 also has an inner planet with a mass only half that of Jupiter's, as estimated by earlier ground-based observations. The inner gas planet in the system appears as a bright star-like object near the red dwarf. Despite its close proximity to Earth, the red dwarf star is one third the mass of our Sun and is too faint to be seen by the naked eye.
Datum 3 December 2002
Izvor https://hubblesite.org/contents/media/images/2002/27/1254-Image.html
Autor NASA/ESA and G. Bacon (STScI)
Dopuštenje
(Naknadna uporaba ove datoteke)
Public domain
This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.

The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org.

For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.

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sadašnja05:11, 10. lipnja 2007.Minijatura za inačicu od 05:11, 10. lipnja 2007.4.000 × 3.000 (4,87 MB)Qbek{{Information |Description=en:Category:Extrasolar planetary images |Source=Originally from [http://en.wikipedia.org en.wikipedia]; description page is/was [http://en.wikipedia.org/w/index.php?title=Image%3AGJ876b.jpg here]. |Date=2006-03-09 (original

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