Question

What are Intergalactic gases?​

Answer 1

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Intergalactic gas is so tenuous that it emits no light of its own. ... Instead astronomers study it indirectly by observing how it selectively absorbs the light coming from faraway sources known as quasars.

${\underline {\sf {\bf {\purple {Mark~ as~ brainliest!!}}}}}$

Answer 2

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ɪɴᴛᴇʀɢᴀʟᴀᴄᴛɪᴄ ɢᴀs ɪs sᴏ ᴛᴇɴᴜᴏᴜs ᴛʜᴀᴛ ɪᴛ ᴇᴍɪᴛs ɴᴏ ʟɪɢʜᴛ ᴏғ ɪᴛs ᴏᴡɴ. ... ɪɴsᴛᴇᴀᴅ ᴀsᴛʀᴏɴᴏᴍᴇʀs sᴛᴜᴅʏ ɪᴛ ɪɴᴅɪʀᴇᴄᴛʟʏ ʙʏ ᴏʙsᴇʀᴠɪɴɢ ʜᴏᴡ ɪᴛ sᴇʟᴇᴄᴛɪᴠᴇʟʏ ᴀʙsᴏʀʙs ᴛʜᴇ ʟɪɢʜᴛ ᴄᴏᴍɪɴɢ ғʀᴏᴍ ғᴀʀᴀᴡᴀʏ sᴏᴜʀᴄᴇs ᴋɴᴏᴡɴ ᴀs ϙᴜᴀsᴀʀs.