The Administration’s fiscal year 2003 proposed budget for NASA released today, placed strong emphasis on planetary exploration and space science, although planned missions to Pluto and Europa were ...
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course. When ...
Astronomers still aren't exactly sure how planets get their start. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you want to build a planet, ...
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