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When Mars appeared to pass close by two faint stars with no effect on their brightness, Herschel correctly concluded that this meant that there was little atmosphere around Mars to interfere with their light. [3] Honore Flaugergues's 1809 discovery of "yellow clouds" on the surface of Mars is the first known observation of Martian dust storms. [4]
Part of Horseshoe Lake State Fish and Wildlife Area. Illinois Beach Nature Preserve: 1980: Lake: State The site is a part of Illinois Beach State Park, and contains a wide range of savanna, prairie, wetland and beach ecosystems, as well as numerous endangered species.
This is a list of lakes and reservoirs in the U.S. state of Illinois.The lakes are ordered by their unique names, (i.e. Lake Smith or Smith Lake would both be listed under "S").
Planum Boreum (Latin: "the northern plain") is the northern polar plain on Mars.It extends northward from roughly 80°N and is centered at Surrounding the high polar plain is a flat and featureless lowland plain called Vastitas Borealis which extends for approximately 1500 kilometers southwards, dominating the northern hemisphere.
The red Martian surface may be barren and arid, but about a mile underneath Mars' south pole, scientists think they've found something remarkable. Using a ground-penetrating radar aboard the ...
Much of this soil is called, appropriately, "Illite", and is the most common type of soil on the planet. The visible geology of the state is mainly Quaternary, with rocks buried deeply. The wealth of the state mainly arises from this abundance of soil and the favorable agrarian conditions it provides. Illinois is a major coal-producing
LOS ANGELES (Reuters) -NASA's rover Perseverance has gathered data confirming the existence of ancient lake sediments deposited by water that once filled a giant basin on Mars called Jerezo Crater ...
Illinois averages around 50 days of thunderstorm activity a year which put it somewhat above average for number of thunderstorm days for the United States. Illinois is vulnerable to tornadoes with an average of 54 occurring annually, which puts much of the state at around 9.7 tornadoes per 10,000 square miles (30,000 km 2) annually.