Question

What is an Atmosphere????​

Answer 1

aNs:-✌️

•Atmosphere

An atmosphere is a layer of gas or layers of gases that envelope a planet, and is held in place by the gravity of the planetary body. A planet retains an atmosphere when the gravitational force is high and the temperature of the atmosphere is low.

Answer 2

Answer:

• ᴛʜᴇ ᴍɪxᴛᴜʀᴇ ᴏғ ɢᴀsᴇs ᴛʜᴀᴛ sᴜʀʀᴏᴜɴᴅs ᴛʜᴇ ᴇᴀʀᴛʜ ᴏʀ ᴀɴʏ ᴏᴛʜᴇʀ sᴛᴀʀ, ᴘʟᴀɴᴇᴛ, ᴇᴛᴄ.
• ᴀɴ ᴀᴛᴍᴏsᴘʜᴇʀᴇ ɪs ᴀ ʟᴀʏᴇʀ ᴏғ ɢᴀs ᴏʀ ʟᴀʏᴇʀs ᴏғ ɢᴀsᴇs ᴛʜᴀᴛ ᴇɴᴠᴇʟᴏᴘᴇ ᴀ ᴘʟᴀɴᴇᴛ, ᴀɴᴅ ɪs ʜᴇʟᴅ ɪɴ ᴘʟᴀᴄᴇ ʙʏ ᴛʜᴇ ɢʀᴀᴠɪᴛʏ ᴏғ ᴛʜᴇ ᴘʟᴀɴᴇᴛᴀʀʏ ʙᴏᴅʏ. ᴀ ᴘʟᴀɴᴇᴛ ʀᴇᴛᴀɪɴs ᴀɴ ᴀᴛᴍᴏsᴘʜᴇʀᴇ ᴡʜᴇɴ ᴛʜᴇ ɢʀᴀᴠɪᴛᴀᴛɪᴏɴᴀʟ ғᴏʀᴄᴇ ɪs ʜɪɢʜ ᴀɴᴅ ᴛʜᴇ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ᴏғ ᴛʜᴇ ᴀᴛᴍᴏsᴘʜᴇʀᴇ ɪs ʟᴏᴡ.