Month: November 2015

Dark Sand Cascades on Mars

They might look like trees on Mars, but they’re not. Groups of dark brown streaks have been photographed by the Mars Reconnaissance Orbiter on melting pinkish sand dunes covered with light frost. The above image was taken in 2008 April...

/ November 30, 2015

Rosetta and Comet Outbound

Not a bright comet, 67P/Churyumov-Gerasimenko now sweeps slowly through planet Earth’s predawn skies near the line-up of planets along the ecliptic. Still, this composite of telescopic images follows the comet’s progress as it moves away from the Sun beyond the...

/ November 29, 2015

Planets of the Morning

This is a wonderful image and is a highlight for anyone that is able to rise as the sun nears the horizon int he morning. While Jupiter is by far the largest planet in the Solar System it is surprising...

/ November 27, 2015

Aurora over Clouds

Auroras usually occur high above the clouds. The auroral glow is created when fast-moving particles ejected from the Sun impact the Earth’s magnetosphere, from which charged particles spiral along the Earth’s magnetic field to strike atoms and molecules high in...

/ November 25, 2015

A 212 Hour Exposure of Orion

The constellation of Orion is much more than three stars in a row. It is a direction in space that is rich with impressive nebulas. To better appreciate this well-known swath of sky, an extremely long exposure was taken over...

/ November 24, 2015

Phobos: Doomed Moon of Mars

This moon is doomed. Mars, the red planet named for the Roman god of war, has two tiny moons, Phobos and Deimos, whose names are derived from the Greek for Fear and Panic. These martian moons may well be captured...

/ November 23, 2015

Recycling NGC 5291

Following an ancient galaxy-galaxy collision 200 million light-years from Earth, debris from a gas-rich galaxy, NGC 5291, was flung far into intergalactic space. NGC 5291 and the likely interloper, also known as the “Seashell” galaxy, are captured near the center...

/ November 22, 2015
Park Meteors Leonids

Leonids and Friends

Leonid meteors rained down on planet Earth this week, the annual shower of dusty debris from the orbit of Comet 55P/Tempel-Tuttle. Leonids streak through this composite night skyview from a backyard observatory in southern Ontario. Recorded with camera fixed to...

/ November 21, 2015
Centaurus HST-ESO-LL

Centaurus A

What’s the closest active galaxy to planet Earth? That would be Centaurus A, only 11 million light-years distant.┬áSpanning over 60,000 light-years, the peculiar elliptical galaxy is also known as NGC 5128. Forged in a collision of two otherwise normal galaxies,...

/ November 20, 2015
The Pelican Nebula

The Pelican Nebula in Gas Dust and Stars

This is an image of the Pelican Nebula. For those of you that are not aware the Nebular is a collection of dust and particles that have been cast away from former stars that have since died out. This dust...

/ November 19, 2015