Elderly triple stars and planets outside our solar system may have violent, chaotic endJUDY SIEGEL
(1)F.根据"It is the only star in our solar system(太阳系).它是我们太阳系中唯一的恒星。"可知太阳并不是太阳系中唯一的恒星是错误的,是唯一的恒星。故答案为F。(2)T.根据"Without the sun,there would be no life on our planet.没有太阳,地球上就没有生命。"可知没有太阳,地球上就不会有生命...
Our countrywide roundup of cool shows for hot weather. (arts & entertainment) Marcy and his team of planet hunters have been scanning a number of sun-like stars, looking for extrasolar (outside our solar system) planets. New Planets They relied on the stars. If one of your campers gets ...
TOKYO,March 12, 2018/PRNewswire/ --Scientists report the existence of 15 new planets —includingone 'super-Earth' that could harbor liquid water — orbiting small, cool stars near our solar system. These stars, known as red dwarfs1, are of enormous interest for studies of planetary formation...
TheneareststaroutsidethesolarsystemiscalledAlphaCentauri.Itisbiggerandhotterthanthesun.Itlooksmuchsmallerbecauseitisveryfaraway.IttakesfouryearsforlighttoreachusfromAlphaCentauri.TheEarthisonlyabouteightlightminutesawayfromthesun.Thesunisnotournearestneighbourinspace.Themoonisjust380,000kilometersaway.Itistheonly...
The nearest star outside the solar system is called Alpha Centauri.It is bigger and hotter tham the sun.It looks much smaller because it is very far away.It takes four years for light to reach us from Alpha Centauri.The Earth is only about eight light minutes away from the sun.The sun...
Mead, "is that they are simply watching what we are up to—that responsible society outside our solar system is keeping an eye on us to see that we don't cause a chain reaction that might have unexpected effects for the outside of our solar system." Opinions from other scientists might...
rotation rate in some neutron stars is more stable than the best atomic clocks we have on Earth. In fact, it is this characteristic of neutron stars that led to the discovery of the first planets outside our solar system in 1992 –three Earth-sized planets revolving around a neutron star....
Extrasolar Planet (Exoplanet)means any planet that is outside our solar system such as this impression of an exoplanet. We don't know what an exoplanet actually looks like, we can only imagine them. The first exoplanet was discovered in the early nineties around a pulsar with the easy-to...
It’s a planet outside our solar system C. It’s a planet orbiting the sun D. It’s a planet where life have developed 3. The underlined phrase “get to the bottom of” probably means “___” A. understand fully B. make full...