PIX4583154: Remains of supernova G292.0+1.8 in X - G292.0+1.8 supernova remnant - X-ray view of the rest of supernova G292.0+1.8 located about 20,000 years - light in the constellation Centaurus. In the center of the image, the massive star that exploded gave way to a pulsar. The different colours represent different chemical elements (oxygen, magnesium...). The image was composed with a black and white image obtained in visible light. The aftermath of the death of a massive star is shown in detail in this composite image of G292.0+1.8. In color is the Chandra X - ray Observatory image and in white is optical data from the Digitized Sky Survey. Near the center of G292.0+1.8 is the so - called pulsar wind nebula, most easily seen in high energy X - rays. This is the magnetized bubble of high - energy particles that surrounds the “” pulsar””, a rapidly rotating neutron star that remained behind the original, massive star exploded. The narrow, jet - like feature running from north to south in the image is likely parallel to the spin axis of the pulsar. Each color represents different elements such as oxygen, neon, magnesium, and silicon. The distribution of these elements gives astronomers clues about how the star exploded. The distance estimated of this object is about 20,000 light years / Bridgeman Images
PIX4640224: Space lift on the Moon - Artist's view - Lunar elevator lunar base - Lunar base equipped with a space lift. A manned lunar space elevator prepares to depart from its manned lunar base. Surrounding it are support facilities and cargo. The yellow machine on the right is an articulated manned manipulator for handling cargo and managing the elevator. The space elevator concept involves running a cable from the surface of a planet or moon up to a gravitationally - stable point in space, whereupon a specially - designed vehicle can climb and descend the cable. Also known as tether propulsion and non-rocket space launch, this method permits an alternative way to access space. In the case of the lunar space elevator, the cable is anchored to the surface of the Moon and ascends to a stable Lagrange point. In this illustration the cable, in the form of a ribbon, is anchored to the southern hemisphere of the near - side of the Moon and ascends approximately 35,000 miles towards the Earth. The manned climbing vehicle, the “” elevator,””” is powered by solar energy collected via its array of photovoltaics. The manned elevator illustrated is approximately 160 feet long. Traveling at a velocity of roughly 60 mph it would take the elevator about 3 weeks to cover the distance between the lunar surface and Lagrange point in space / Bridgeman Images