Mount Everest gets all the credit, but Hawaii’s Mauna Kea (an idle volcano that’s been around for, you know, a million years) is technically the world’s tallest mountain. Technically. While it stands 13,800ft above sea level, more than two thirds of the hill is actually submerged underwater, which brings the total height to 33,136ft.
It’s being billed as the “comet of the century.” This fall, a spectacular comet will be passing so close to the earth that it could shine brighter than the moon.
NASA says it has extended the contract for operating the Hubble Space Telescope.
A full-scale model of a telescope expected to replace the Hubble Space Telescope will be coming to Baltimore’s Inner Harbor this month.
The Hubble Space Telescope turns 21 this weekend.