“HHeelllloo,, EEaarrtthh!!”
Lenguage, 1354616599400377002855073561913010716386821416114463012 bytes

It's 1354616599400377002855073561913010716386821416114463012 zeroes:

0000000000000000000000000000000000000000000000000000000000000000000000000000000000...00000000




It's this BF program:

-[-------&gt;+&lt;]&gt;-.-[-&gt;+++++&lt;]&gt;++.+++++++..+++.[-&gt;+++++&lt;]&gt;+.------------.++[-&gt;++&lt;]&gt;+.+[------&gt;+&lt;]&gt;.--[---&gt;+&lt;]&gt;---.++.------------.--[---&gt;+&lt;]&gt;-.


Converted into binary:

001110001001001001001001001010000011111010001100001110001010000000000000000011111010000000100000000000000000000000100100000000000100110001010000000000000000011111010000100001001001001001001001001001001001001100000000110001010000000011111010000100000110001001001001001001010000011111010100001001110001001001010000011111010001001001100000000100001001001001001001001001001001001001100001001110001001001010000011111010001100


Converted into a decimal number:

1354616599400377002855073561913010716386821416114463012


With that many zeroes. Hooray for lenguage!