Tag Archives: parent

The solar system was formed in less than 200,000 years

[ad_1] The artistic conception of the dust and gas surrounding a newly formed planetary system. Image courtesy of NASA. A long time ago – about 4.5 billion years – our sun and our solar system formed in the short span of 200,000 years. This is the conclusion of a group …

Read More »

Space dust weighing with radar

[ad_1] Over 1,000 kilograms of so-called interplanetary dust are thought to fall on Earth every day. This dust is essentially an untold number of small faint meteors, discarded remnants of asteroids and comets that pass close to Earth. Two ways to study faint meteors are radar and optical observations, each …

Read More »