Mars is the fourth planet in the solar system in order of distance from the Sun and the seventh in size and mass. It is a periodically conspicuous reddish object in the night sky. There are intriguing clues that billions of years ago Mars was even more Earth-like than today.
Mars is the fourth planet from the Sun. It is also known as the " Red Planet ", for its orange-red appearance. [22][23] Mars is a desert-like rocky planet with a tenuous atmosphere that is primarily carbon dioxide (CO2). At the average surface level the atmospheric pressure is a few thousandths of Earth 's, atmospheric temperature ranges from −153 to 20 °C (−243 to 68 °F), [24] and ...
Mars Nearing Earth In 2003, the Hubble Space Telescope snapped this photo of the red planet 11 hours before its closest approach to Earth in 60,000 years. How close? It was a mere 34,648,840 miles ...
Yahoo: Time travels faster on Mars than on Earth, and here's why
Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the difference, showing that Mars clocks tick slightly faster—and fluctuate over the ...
MSN: Mars may actually trigger Earth’s ice ages from millions of miles away
Earth’s ice ages have long been blamed on subtle wobbles in our own orbit, but new research suggests a distant accomplice is quietly helping to set the tempo. Mars, sitting millions of miles away and ...
Mars may actually trigger Earth’s ice ages from millions of miles away
Phys.org: Tiny Mars's big impact on Earth's climate: How the red planet's pull shapes ice ages