资讯

The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the solar system was just getting started, a Mars-size protoplanet named Theia ...
Mars orbits at an average distance of 142 million miles (228 million km) from the sun. Its orbit is about 1.5 times the size of Earth's. Sunlight takes about 13 minutes to get to Mars, while it ...
The finding, published Monday in the Proceedings of the National Academy of Sciences, suggests prebiotic chemistry may have advanced further on Mars than previously observed. Scientists probed an ...
Organic molecules of unprecedented size discovered on Mars. ScienceDaily . Retrieved April 9, 2025 from www.sciencedaily.com / releases / 2025 / 03 / 250324152436.htm ...
‘Small’ asteroids the size of buses or stadiums have been pinpointed between Mars and Jupiter for the first time. Scientists used a new method of tracking the space rocks, which could one day ...
The U.S. space agency's Perseverance and Curiosity rovers, both about the size of a car, have spent years scouring different regions of Mars to find evidence that the now-barren planet may once ...
Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed on the Red Planet. The U.S. space agency's Perseverance and Curiosity ...