Tag: nasa

A Sunset Night Sky over the Grand Canyon

Seeing mountain peaks glow red from inside the Grand Canyon was one of the most incredible sunset experiences of this amateur photographer’s life. They appeared even more incredible later, when digitally combined with an exposure of the night sky —...

/ February 4, 2020

Solar Granules at Record High Resolution

Why does the Sun’s surface keep changing? The help find out, the US National Science Foundation (NSF) has built the Daniel K. Inouye Solar Telescope in Hawaii, USA. The Inouye telescope has a larger mirror that enables the capturing of...

/ February 3, 2020

Zeta Oph: Runaway Star

Like a ship plowing through cosmic seas, runaway star Zeta Ophiuchi produces the arcing interstellar bow wave or bow shock seen in this stunning infrared portrait. In the false-color view, bluish Zeta Oph, a star about 20 times more massive...

/ February 2, 2020

Apollo 14 Heads for Home

When leaving lunar orbit in February 1971, the crew of Apollo 14 watched this Earthrise from their command module Kittyhawk. With Earth’s sunlit crescent just peaking over the lunar horizon, the cratered terrain in the foreground is along the lunar...

/ February 1, 2020

Goldilocks Zones and Stars

The Goldilocks zone is the habitable zone around a star where it’s not too hot and not too cold for liquid water to exist on the surface of orbiting planets. This intriguing infographic includes relative sizes of those zones for...

/ January 31, 2020

Two Custers and a Comet

This lovely starfield spans some four full moons (about 2 degrees) across the heroic northern constellation of Perseus. In telescopic exposures made during the nights of January 24, 26, and 28 it holds the famous pair of open or galactic...

/ January 30, 2020

Milky Way over Yellowstone

The Milky Way was not created by an evaporating lake. The pool of vivid blue water, about 10 meters across, is known as Silex Spring and is located in Yellowstone National Park in Wyoming, USA. Steam rises off the spring,...

/ January 29, 2020

Star Formation in the Tadpole Nebula

What’s all of the commotion in the Tadpole Nebula? Star formation. Dusty emission in the Tadpole Nebula, IC 410, lies about 12,000 light-years away in the northern constellation of the Charioteer (Auriga). The cloud of glowing gas is over 100...

/ January 28, 2020

Comet CG Evaporates

Where do comet tails come from? There are no obvious places on the nuclei of comets from which the jets that create comet tails emanate. One of the best images of emerging jets is shown in the featured picture, taken...

/ January 27, 2020

Hills Ridges and Tracks on Mars

Sometimes, even rovers on Mars stop to admire the scenery. Just late last November the Curiosity rover on Mars paused to photograph its impressive surroundings. One thing to admire, straight ahead, was Central Butte, an unusual flat hill studied by...

/ January 26, 2020