Analysis of information sources in references of the Wikipedia article "Geography of Russia" in English language version.
Like many lakes, it does not feed into an ocean, but it is sea-like in its size and depth.
Russia takes up 17,098,250 square kilometres, roughly one-eighth of the world's total land mass. That's larger than the entire continent of Antarctica...
Pluto's diameter is larger than expected at 2,370 kilometres across. This is about two-thirds the size of Earth's moon, giving Pluto a surface area comparable to Russia.