Lunar Orbiter Views Crater Copernicus
16.06.2007

To prepare for the Apollo landings, five Lunar Orbiter spacecraft were launched during 1966 and 1967 to gather detailed images of our fair planet's large, natural satellite. Dramatic views returned by the spacecraft cameras included this stark moonscape.

Lunar Orbiter Earthset
27.08.2016

August 10th was the 50th anniversary of the launch of Lunar Orbiter 1. It was the first of five Lunar Orbiters intended to photograph the Moon's surface to aid in the selection of future landing sites.

Comet Hyakutake's Orbit
14.03.1996

Where did Comet Hyakutake come from? The orbits of the Earth and this brightening comet are shown in the above diagram. The blue disk is bounded by the circular orbit of the Earth about the central Sun. The comet's path outlines the green shape.

A Space Shuttle Climbs to Orbit
13.07.2006

You are going into space. New small cameras allow anyone with a web browser to virtually ride along with the space shuttle, at times from numerous angles, as it launches into Earth orbit. Small...

Earthrise from Moon Orbiting Kaguya
20.11.2007

What does the Earth look like from the Moon? A new version of this space age perspective was captured by the robotic Kaguya spacecraft currently in orbit around Earth's Moon. Launched two months...

Fifth Moon Discovered Orbiting Pluto
16.07.2012

A fifth moon has been discovered orbiting Pluto. The moon was discovered earlier this month in images taken by the Hubble Space Telescope in preparation for the New Horizons mission's scheduled flyby of Pluto in 2015.

A Star Where Photons Orbit
26.11.1995

The above computer animated picture depicts how a very compact star would look to a nearby observer. The star pictured is actually more compact that any known except a black hole, so it is only hypothetical. The observer is situated at the photon sphere, where photons can orbit in a circle.

Endeavour to Orbit
16.03.2008

Birds don't fly as high. Airplanes don't go as fast. The Statue of Liberty weighs less. No species other than human can even comprehend what is going on, nor could any human just a millennium ago. The launch of a rocket bound for space is an event that inspires awe and challenges description.

The Orbiting Hubble Space Telescope
6.08.2001

The Hubble Space Telescope (HST) is the largest orbiting public optical telescope in history. Its 2.4 meter diameter reflecting mirror and its perch above Earth's atmosphere allow it to create exceptionally sharp images.

Falcon 9 Launches to Orbit
8.06.2010

A new rocket, the Falcon 9, was launched successfully from Cape Canaveral, Florida, USA, last week. The Falcon 9, standing about as high as a 15-floor building, was developed by the commercial SpaceX corporation as a step toward a relatively inexpensive space launch system.