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mars [2021/01/13 15:08] rapidplatypus [Mars name] |
mars [2021/09/27 11:03] rapidplatypus [Opportunity rover] |
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- | {{ : | + | ====== Mars ====== |
==== Blue sunsets ==== | ==== Blue sunsets ==== | ||
- | Sunsets and sunrises on mars are blue due to the large number of dust particles in the atmosphere. Blue light penetrates this type of atmosphere more effectively compared to the longer wavelengths of yellow and red light. For the same reason, during the day the sky appears orange due to the scattering of yellow and red light. [([[https:// | + | Sunsets and sunrises on mars are blue due to a large number of dust particles in the atmosphere. Blue light penetrates this type of atmosphere more effectively compared to the longer wavelengths of yellow and red light. For the same reason, during the day the sky appears orange due to the scattering of yellow and red light. [([[https:// |
==== Mars name ==== | ==== Mars name ==== | ||
- | The fourth planet of the solar system is named after the Roman god of war, Mars,[([[https:// | + | The fourth planet of the solar system is named after the Roman god of war, Mars, because of its red hue visible even with the naked eye. [([[https:// |
==== Moons of Mars ==== | ==== Moons of Mars ==== | ||
- | Mars has two small moons, Phobos (22.2 km, 13.8 mi) and Deimos (12.6 km, 7.8 mi) [(https://en.wikipedia.org/wiki/ | + | Mars has two small moons, Phobos (22.2 km, 13.8 mi) and Deimos (12.6 km, 7.8 mi). [([[https://www.space.com/20413-phobos-deimos-mars-moons.html|Space]])] |
==== Olympus Mons ==== | ==== Olympus Mons ==== | ||
- | Olympus Mons is highest | + | Olympus Mons is the tallest |
==== 687 Earth days ==== | ==== 687 Earth days ==== | ||
- | The length of the year on Earth is 365.25 days. The year on Mars is almost twice as long! It lasts for 687 Earth days.[(https:// | + | The length of the year on Earth is 365.25 days. The year on Mars is almost twice as long! It lasts for 687 Earth days. [([[https:// |
==== Eight active missions ==== | ==== Eight active missions ==== | ||
- | As of December 2020, there are eight missions from around the world actively orbiting Mars or exploring its surface. The missions are from the U.S., European Union, Russia, and India.[(https:// | + | As of December 2020, there are eight missions from around the world actively orbiting Mars or exploring its surface. The missions are from the U.S., European Union, Russia and India.[([[https:// |
==== Curiosity rover ==== | ==== Curiosity rover ==== | ||
- | On Jan 12, 2021, NASA's Curiosity rover passed 3.000 Martian days of work on surface of the Mars. It managed to travel over 23km on (as of Jul 2020). It's powered by nuclear battery, radioisotope thermoelectric generator (RTG), | + | On Jan 12, 2021, NASA's Curiosity rover passed 3,000 Martian days of work on the surface of Mars. It managed to travel over 23km (as of Jul 2020). It's powered by a nuclear battery |
==== Opportunity rover ==== | ==== Opportunity rover ==== | ||
- | Is a robotic rover that was exploring | + | Opportunity was a robotic rover that was exploring |
{{tag> | {{tag> | ||
- | ~~NOTOC~~ | + |