they are larger C. they are hotter D. they are made of different materials 相关知识点: 试题来源: 解析 A。本题考查星星亮度差异的主要原因。选项 B“they are larger”星星大小不是决定其看起来亮度的主要因素。选项 C“they are hotter”温度高不一定就看起来更亮。选项 D“they are made of ...
And some are even red or blue.There are a few reasons why stars are different colors.(5) BSome are much hotter or cooler than others.Blue stars burn at very high temperatures while red stars burn at very low temperatures.It is interesting,isn't it?
Those stars were born hotter with more random motions, which contributes to the thick disk being 1,000 light-years deep, as those random motions are at steeper angles to the galactic plane. The conclusions of Croom and van de Sande's team are based on observations of 3,000 galaxies across...
Our Neighbourhood Stars Most of the stars that we see in the night sky are billions of kilometers away.But there is one star which is much closer to the Earth.We see it every day as a large,bright ball in the sky.It is called the Sun.It is the only star in...
Why do dark-colored shirts get hotter in the Sun than light-colored shirts? Why does light refract? Why are some insects important for flowering plants? Why are coral reef fish so colorful? Why do minerals have different colors? Why do plants have stomata in the leaves?
While the keyboards and poppy production of 'Crazy Nights' are happily left behind, things get a bit too primitive here. Despite some strong moments – "Rise to It," "Little Ceaser" – there's entirely too much filler on this overlong 15-track collection. Happily, the band reconnected wit...
There’s Still Unknown Physics in Our Universe This Test Could Prove If Universe Is Made for Life A Father-Daughter Duo Cracked an ‘Alien’ Code This Molecule May Be the Source of Life on Earth Neutron Stars Could Be Nurseries for Axions ...
101 Fenny Indonesia They are so sweet and cute together. They showed what the meaning of true love. Love this couple and would like to see them in another series together again. 102 Tony USA Because they both look good together and ling’er is hotter than Yueru 103 Bee USA They just se...
The results are ... actually pretty sweet? It mostly follows Garfield and Grandma, a lonely sad woman who especially misses her late husband because of how much he loved Christmas. When Garfield later finds a hidden stash of love letters from more than 50 years ago, it’s genuinely ...
The story ofU.S. involvement in the conflict in Somaliais a complicated one that analysts and military officials are still trying to sort out today. However, that doesn’t mean there wasn’t some unabashed good that came from the situation, namely the Christmas Day mission todeliver grain ...