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Mars is the fourth planet from the Sun.The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red Planet". [22] [23] Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing.
The maximum angular separation of the Earth and Moon varies considerably according to the relative distance between the Earth and Mars: it is about 25′ when Earth is closest to Mars (near inferior conjunction) but only about 3.5′ when the Earth is farthest from Mars (near superior conjunction). For comparison, the apparent diameter of the ...
Mars: Planet 0.77 Altair: Star Slightly variable 0.79 [7] Acrux: Quintuple star system Brightest quintuple star system 0.86 0.75 Aldebaran: Star 0.91 0.88 Antares: Binary star system 0.97 0.96 [11] Spica: Binary star system 1.14 Pollux: Star 1.16 Fomalhaut: Star Part of a Triple star system with TW Piscis Austrini and Fomalhaut C: 1.25 1.21 ...
Mars is putting on quite a show for skywatchers this month. For most of October, Mars will be brighter in the night sky than anything else in its vicinity, offering people a clear view of the red ...
NASA released a stunning image on Friday showing our home planet as well as the moon from Mars.
planet Mars: seen from Earth maximum brightness [42] −2.5: Faintest objects visible during the day with naked eye when Sun is less than 10° above the horizon: −2.50: new moon: seen from Earth minimum brightness −2.50: planet Earth: seen from Mars maximum brightness −2.48: planet Mercury: seen from Earth
The Sun is the brightest star as viewed from Earth, at −26.78 mag. The second brightest is Sirius at −1.46 mag. For comparison, the brightest non-stellar objects in the Solar System have maximum brightnesses of: the Moon −12.7 mag [1] Venus −4.92 mag; Jupiter −2.94 mag; Mars −2.94 mag; Mercury −2.48 mag; Saturn −0.55 mag [2]
The Gateway to Astronaut Photography of Earth has been collecting and categorizing photos taken by astronauts. They see Earth from an altitude of about 250 miles as the station travels at a speed ...