-
从天鹅座中的明亮恒星天津四往东北方向寻找,就能找到这一小片星云状光斑!
Look for a small nebular patch North-East of bright star Deneb in the constellation of Cygnus.
youdao
-
从天鹅座中的明亮恒星天津四往东北方向寻找,就能找到这一小片星云状光斑!
Look for a small nebular patch North-East of bright star Deneb in the constellation of Cygnus.
youdao