Why would planets with a hydrogen atmosphere be easier to detect than atmospheres with other types of gases? The hydrogen atmospheres are thicker meaning they filter more starlight and can be more easily seen.

Hydrogen atmospheres are very common so there will be a better chance of finding such a planet.

Planets with Hydrogen atmospheres are closer to their stars and we can see their shadows easily.

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.