2 results for “outer planets”
Space & the Universe
Dark Matter and Dark Energy
planets farther from the Sun move more slowly, because the Sun's pull weakens with distance. Galaxies should behave the same way, with stars at the edges crawling along. Instead, Rubin found
Article · 3 min read
Space & the Universe
Nebulae
planets were born in a cloud like this 4.6 billion years ago. The brightest stars in such a nebula are also its destroyers. Their fierce radiation and stellar winds carve the cloud
Article · 3 min read