The phrase "immense ocean" is correct and usable in written English.
It can be used to describe a vast and expansive body of water, often evoking a sense of grandeur or overwhelming size.
Example: "As I stood on the shore, I gazed out at the immense ocean, feeling both small and awed by its beauty."
Alternatives: "vast sea" or "expansive ocean".
In 1996, Galileo conducted the first of eight close flybys of Europa, producing breathtaking pictures of its surface, which suggested that the moon has an immense ocean hidden beneath its frozen crust.
Over the next seven hours, a tsunami a series of immense ocean waves triggered by the quake reached out across the Indian Ocean, devastating coastal areas as far away as East Africa.
Noting the island's "dreadful aridity" in the midst of an immense ocean, he blamed the ancestors of the island's inhabitants, who had cut down the trees.Those imprudent ancestors have become symbols for mankind's short-sighted carelessness with his environment.
About halfway through the dive I turned around briefly to look out into the immense ocean that surrounded North Solitary Island and remembered that as a human I was only able to access the very tip of that ocean wilderness, whose future will soon be decided.
This unlikely substance, a sort of ice-like combination of methane and water that is only stable at low temperatures and high pressure, may have burst into the atmosphere from the seabed in an immense "ocean burp", sparking a surge in global temperatures (methane is even more powerful as a greenhouse gas than carbon dioxide).
The fish that find refuge form the basis of an immense ocean food web and a huge fishing industry.
Great numbers of Americans, like Decker, see no connection to the war with their own lives, a result, many commentators have said, of living in a prosperous country buffered by two immense oceans and protected by a powerful military.
Most of the Earth's land area was incorporated into Pangea, which was surrounded by an immense world ocean called Panthalassa.
THE farmers who plowed up most of the American Midwest spared the Flint Hills, which in aerial photos look like immense green ocean swells, because the rock was too close to the surface for plows.
Oceans--immense blue oceans--seem to distance us all, protect us, from the scene.
Holmes Reef is a tiny dot in an immense rump of ocean that is widely regarded as one of the world's most pristine marine wilderness areas.
