Instead, astronomers rely on a star'sphotosphereto determine its size. The photosphere is where the star becomes transparent to light and the particles of light, or photons, can escape the star. "As far as an astrophysicist is concerned, this is the surface of the star, as this is the...
What can we know from the passage? A. The sun is the largest star in the universe. B. The moon has no light of its own. C. Planets always move in a straight line. D. Stars are all the same size. 相关知识点: 试题来源:
What is the universe mainly made of? A. Empty space. B. Atoms. C. The planets. D. Dark energy.6. What can we learn from the text? A. The Sun is the biggest star in the universe.B[金星原创]What is the universe?The universe contains everything that exists including the Earth, ...
What is the biggest star in the universe? What is the brightest star in the Pisces constellation? Which constellation has the fewest stars? What was the first Kuiper belt object to be discovered? What is the biggest star in Orion constellation?
One of the Oldest and Most Distant Objects in the Universe Has Been Discovered Monster Black Hole Is Biggest Ever Found Related:Smallest, densest white dwarf ever discovered packs the sun's mass into a moon-size stellar corpse Even more massive objects to consider are black holes and, in part...
It all depends on what you mean by a "thing". The biggest physical object is probably a star. The largest possible red giant star could be as big as 2,100 times the size our Sun. Placed inside our own Solar System, a monster star like this would extend out past the orbit of Saturn...
What is the color of the universe? Astronomers did not answer this question until two months ago. This was when two American astronomers reported on their study of all the light in the universe. They said that the universe would appear to the human eye to be a light greenish color called...
onmethatnootherplacehas,”Ginnisays.“IrememberthefirsttimeIsawahumpbackwhale;it justroseoutofthewaterlikesomeprehistoric creatureandIthoughtitwassmilingatus.You couldstillheartheoperaticsoundsitwasmaking underwater.” Therealizationthatthisisapreciousland,to berespectedbyhumans,wasoneofthebiggest thingsthat...
83 degrees north latitude, the brightest star in the sky is Canis Alpha Majoris, orSirius. Seriously, (bad pun intended) the -1st magnitude star is usually the fifth brightest natural object in the sky, and sits high to the south on February evenings… but has it always ruled the night?
If you’re wondering, here’s howbig planets can getwith a lot of mass, and here’s what is thebiggest star in the Universe. And here’s the2nd largest planetin the Solar System. Here’s another article about thewhich is the largest planet in the Solar System, and here’s what’s...