Space missions help answer one of humanity's most profound questions: Are we alone in the universe? To begin to understand what makes a planet habitable, and thus where to look for life both within and outside of Earth's solar system, scientists need to understand what in planetary ...
A. It should be as big as the Earth. B. It should be a gas planet. C. Must be around a planet like the sun. D. It must have liquid water. 相关知识点: 试题来源: 解析 B 宜居行星必须具备固体表面,而气态行星没有固体表面,因此不适合生命存在。选项B描述了宜居行星不应该具备的特征,所以...
To visually support this question in the article, I wanted a diagram that shows how many potentially rocky exoplanets astronomers have discovered in their star’s putative habitable zones. Ahabitable zoneis the narrow range of distances an Earth-like planet could be from its star such that the ...
“To understand the origin of life, it becomes important to understand when and how Earth began hosting an ocean with a more neutral pH,” said Meng Guo, a former Yale graduate student in Korenaga’s lab who is now a presidential postdoctoral fellow at Nanyang Technological University in Sing...
If the corporation fails in its competition with other corporations, those investments or loans may be lost with no guaranteed compensation. 追求利润是公司存在的原因,所以他们通常很少关注竞争可能降低利润的副作用; Seeking profits is the reason for the existence of corporations, so they typically pay ...
A. The planet should be located at the “habitable zone” around its star.# B. The potentially habitable planets should have the right size.# C. The ideal candidate as our potential habitat rocky world nestled .# D. The far side of the Moon. 相关知识点: 试题...
Habitable Planets: The first exoplanet confirmed byKeplerto have an average orbital distance that placed it within its star's habitable zone wasKepler-22b. This planet is located about 600 light-years from Earth in the constellation of Cygnus and was first observed on May 12th, 2009, and then...
Unless individuals and businesses make a rapid shift toward net-zero emissions on a planet-wide scale, irreversible climate change is inevitable. So, what is net-zero emissions, exactly, and what will it take to achieve it? Net-zero emissions describes a state where the quantity of greenhouse...
Earth (or, "the earth") is the only planet presently known to support life, and its natural features are the subject of many fields of scientific research. Within the solar system, it is third nearest to the sun; it is the largest terrestrial planet and the fifth largest overall. Its mo...
"Habitable" means suitable for living, while "inhabitable" is often mistakenly used to mean uninhabitable but can mean the same as habitable.