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but our favorable view provides a better picture of the typical architecture of spiral galaxies
The luminous heart of NGC 6814 is a highly variable source of X-ray radiation
8 million kilometers) from Tethys
Twice as big in volume as the Earth
The larger
HD 40307g - Super Earth Size:36" x 24" (91 cm x 61 cm) but our favorable view providesTwice as big in volume as the Earth, HD 40307g straddles the line between "Super Earth" and "mini Neptune" and scientists aren't sure if it has a rocky surface or one that's buried beneath thick layers of gas and ice. One thing is certain though: at eight times the Earth's mass, its gravitational pull is much, much stronger. Image Credit: JPL NASA
