Question

If there is no atmosphere then why our sky not appear white

Answer 1

Answer:

there is an atmosphere.

Explanation:

besides it's not white because of light received by the sun is scattered in different wavelengths.

Answer 2

Answer:

ᴏᴜʀ ᴇʏᴇs ʀᴇᴄᴇɪᴠᴇ sᴜʙsᴛᴀɴᴛɪᴀʟ sᴄᴀᴛᴛᴇʀᴇᴅ ʟɪɢʜᴛ ᴀᴛ ᴀʟʟ ᴠɪsɪʙʟᴇ ᴡᴀᴠᴇʟᴇɴɢᴛʜs, ᴄᴀᴜsɪɴɢ ᴄʟᴏᴜᴅs ᴛᴏ ᴀᴘᴘᴇᴀʀ ᴍᴏʀᴇ ᴡʜɪᴛᴇ ᴛʜᴀɴ ʙʟᴜᴇ, ᴇsᴘᴇᴄɪᴀʟʟʏ ᴡʜᴇɴ ᴠɪᴇᴡᴇᴅ ᴀɢᴀɪɴsᴛ ᴀ ʙʟᴜᴇ sᴋʏ ʙᴀᴄᴋɢʀᴏᴜɴᴅ. sɪɴᴄᴇ sᴄᴀᴛᴛᴇʀɪɴɢ ʙʏ ᴛʜᴇ ᴀᴛᴍᴏsᴘʜᴇʀᴇ ᴄᴀᴜsᴇs ᴛʜᴇ sᴋʏ ᴛᴏ ʙᴇ ʙʟᴜᴇ, ᴀ ᴘʟᴀɴᴇᴛ ᴡɪᴛʜ ɴᴏ ᴀᴛᴍᴏsᴘʜᴇʀᴇ ᴄᴀɴɴᴏᴛ ʜᴀᴠᴇ ᴀ ʙʀɪɢʜᴛ sᴋʏ.