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Earth-based telescopes equipped with charge-coupled devices can produce useful images of Mars, allowing for regular monitoring of the planet's weather during oppositions. [ 93 ] X-ray emission from Mars was first observed by astronomers in 2001 using the Chandra X-ray Observatory , and in 2003 it was shown to have two components.
The surface of Mars as seen from Earth is consequently divided into two kinds of areas, with differing albedo. The paler plains covered with dust and sand rich in reddish iron oxides were once thought of as Martian 'continents' and given names like Arabia Terra ( land of Arabia ) or Amazonis Planitia ( Amazonian plain ).
While observing Mars, look to the east, and remember to also take a look at Jupiter and Saturn, easily visible in the southwestern sky. Mars hasn’t been this close to Earth in 15 years — here ...
A group of six people bade the rest of the world farewell on Friday to begin their year-long stay in a cramped dome on Hawaii's Mauna Loa volcano. The French astrobiologist, German physicist and ...
The probe was able to fly as close as 100km (62 miles) to Deimos to capture the images, including areas on the moon's far side which had not been investigated in great detail before.
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 Moon and Mars on August 27, 2005, showing Mars to be much smaller. The Mars hoax was a hoax circulated by e-mail that began in 2003, that claimed that Mars would look as large as the full Moon to the naked eye on August 27, 2003. The hoax has since resurfaced each time before Mars is at its closest to Earth, about every 26 months. It began ...