A team of astronomers using NASA's Hubble Space Telescope is reporting the discovery of another moon orbiting the icy dwarf planet Pluto. Image released July 11, 2012.

During a total lunar eclipse last year, astronomers trained the Hubble Space Telescope on our moon, which served as a giant lunar mirror. This marks the first time a space telescope captured a ...

The Hubble Space Telescope has a mirror that is 2.4 meters wide. ... The moon, for example, is half a degree wide in the sky, which is 30 arcminutes, or 1,800 arcseconds.

Hubble cannot look at the Sun directly, so astronomers are planning to point the telescope at Earth's moon, using it as a mirror to capture reflected sunlight and isolate the small fraction of the ...

Astronomers using the Hubble Space Telescope discovered a moon orbiting dwarf planet Makemake -- the third largest known object past the orbit of Neptune, about two thirds the size of Pluto.

Hubble was launched in 1990, and the space telescope has been roaming low Earth orbit ever since. In order to observe Earth's atmosphere, the telescope did not look directly at the planet but ...

The newfound moon and its kin may be remnants of an ancient smashup. Skip to main content. Scientific American. July 11, 2012. 3 min read. New Moon for Pluto: Hubble Telescope Spots a 5th ...

Scientists are planning to use NASA's Hubble Space Telescope to observe next month's historic transit of Venus across the sun's face. IE 11 is not supported.

Triple moon conjunction only happens once or twice a decade, according to NASA. The Hubble telescope captured a rare triple conjunction of Jupiter's moons. ESA/Hubble Heritage Team/NASA &#151 ...

A tiny new moon has been discovered orbiting Pluto, scientists announced today (July 11). Researchers using NASA's Hubble Space Telescope found the moon, bringing the number of known Pluto ...

Scientists have found a previously unseen moon orbiting Makemake, a tiny dwarf planet on the outskirts of the solar system. This marks the first time a moon has been spotted around the little ...