thecoolest and greatest ones are colored red and the temperaturesof them are about 3,000 Kelvin.When looking at the night sky,we may think that starsare up there alone.But don't be surprised that these heavenlybodies in fact come in pairs.And stars can even come ingroups of 3 or even...
They appear without rules.Kelvin.When looking at the night sky, we may think that stars are up there alone.C. They stay alone here and there.ut don't be surprised that these heavenly bodies in fact come in pairs. AndD. They appea in small groups or in pairs. 相关知识点: 试题...
range in visual magnitude from -1 to +1, while the fainter ones go down as low as magnitude 6. In fact, these 6 magnitudestarsare on the extreme edge of our visual perception, and are so faint that unless you have both good eyesight and clear viewing conditions, then you may not be...
In fact, the moon is about 385,000 kilometers away from the earth. If you take a Boeing 747 and fly to the moon at full speed, the journey will take about 17 days!【小题1】According to the text, Rayleigh scattering ___.A.changes the color of the starsB.sends different kinds of...
In fact, the diameters of brown dwarf stars differ by only 10-15% over their entire range of possible masses, which makes distinguishing between a brown dwarf star and a large planet exceptionally difficult. At least one brown dwarf has survived being engulfed by a red giant ...
It seerfact, the moon is about 385,000 kilometers awayng 747 and fly to the moon at full speed, the jo【小题1】According to the text, Rayleigh scattA. changes the color o B. sends different kinf the starsds of lightsC. makes the sun app D. pollutes the earth'sear yellowatmosphere...
The four largest moons of Jupiter are so big, you can see them with a pair of binoculars or an amateur telescope (aDobsonianis best). When you look at Jupiter through an astronomical telescope, you will notice 3-4 ‘stars’ surrounding the planet Jupiter, but these are actually Jupiter’...
Looking at the night sky; we often think what does lie in the black emptiness between the stars? Can there be a planet just like ours? Can there be people just like us? There are so many questions about that vast and mysterious Space. Read on to find out some interesting facts about ...
The planet is completely socked in by cloud, which makes it extremely reflective to observers looking at the sky on Earth. Its brightness is between -3.8 and -4.8 magnitude, which makes it brighter than the stars in the sky. In fact, it’s so bright that you can see it go through pha...
ET has always been a first-run syndicated product - in fact, creator Alfred Masini was fresh off the success of another syndicated show (Solid Gold) when he developed it. 51 votes Is this fascinating? next up join our community Sign up for behind-the-scenes facts about all of your...