Remnants of oldest known solar system discovered just 90 light-years from Earth

Remnants of oldest known solar system discovered just 90 light-years from Earth

The oldest dead star known to have possessed a system of rocky planets has been discovered just 90 light-years from Earth, and is providing insights into the composition of worlds that formed nearly 11 billion years ago.카지노사이트 The star is a so-called white dwarf, a stellar corpse that ran out of hydrogen fuel in its…

Jupiter will be its brightest in 59 years Monday. Here’s how to see it for yourself

Jupiter will be its brightest in 59 years Monday. Here’s how to see it for yourself

You may have noticed a bright “star” in the eastern sky after sunset, but that’s no star: it’s the mighty planet Jupiter, and it’s almost at its peak brightness.카지노사이트 Jupiter, the largest planet in our solar system, is reaching opposition, an event that occurs when a celestial object rises in the east as the sun…

A newly-discovered planet that is half-water, half-rock is straight out of science fiction

A newly-discovered planet that is half-water, half-rock is straight out of science fiction

Since the 1990s, scientists have cataloged thousands of planets outside our solar system, called exoplanets. Some of these are massive and gaseous, while others are tiny and rocky like our home world. But a recent analysis suggests that some of these exoplanets might be more dense and have more water than previously thought, which has…