sun Archives - Universe Today

Hubble Sees Intense Auroras on Uranus

11 Apr , 2017 by Bob King

French astronomers discover the brightest auroras on Uranus ever seen, and they look … weird.

Solar Probe Plus Will ‘Touch’ The Sun

30 Mar , 2017 by Matt Williams

The Smithsonian Astrophysical Observatory and Draper are helping NASA to develop the Solar Probe Plus, the first spacecraft that will “touch”the face of the Sun.

See a Flirtatious Lunar Eclipse This Friday Night

5 Feb , 2017 by Bob King

This Friday evening watch the Moon tippy-toe right up to Earth’s inner shadow for a sweet penumbral eclipse.

Carl Sagan’s Theory Of Early Mars Warming Gets New Attention

27 Jan , 2017 by Bob King

Carl Sagan hit on the idea 40 years ago. Now, a team of scientists have discovered that a trifecta of gases may have warmed Mars enough for liquid water to gush.

What are the Parts of the Sun?

13 Sep , 2016 by Fraser Cain

Much like Earth, the Sun is not a single object, but is made up of layer. Each layer is responsible for a different function that adds up to it providing us with all the heat and light we need to live

The Photon Sieve Could Revolutionize Optics

27 Jul , 2016 by Matt Williams

Scientists at NASA”s Goddard Space Flight Center are developing the photon sieve, a small, inexpensive device designed to study the Sun’s corona

NASA's Solar Dynamics Observatory has captured images of a growing dark region on the surface of the Sun. Called a coronal hole, it produces high-speed solar winds that can disrupt satellite communications. Image: Solar Dynamics Observatory / NASA

A Dark Region Is Growing Eerily On The Sun’s Surface

15 Jul , 2016 by Evan Gough

Images from NASA’s Solar Dynamics Observatory have spotted a growing dark region called a coronal hole, which is the cause of high-speed solar winds that can disrupt satellite communications.

A sunrise from the edge of space. Credit: Project Soar

Why Does the Sun Rise in the East (and Set in the West)?

5 Jul , 2016 by Matt Williams

Since time immemorial, humans have known that the Sun will rise in the east and set in the west. But why exactly does it happen this way?

This is an illustration to explain the dynamics of the ultra-relativistic third Van Allen radiation belt. Credit: Andy Kale

Huge Plasma Tsunamis Hitting Earth Explains Third Van Allen Belt

21 Jun , 2016 by Evan Gough

A transient third Van Allen belt was first observed in 2013, and new research explains how it was formed.

Space Weather Causing Martian Atmospherics

25 May , 2016 by Bob King

A mysterious plume seen on Mars four years ago may have been caused by the impact of a large solar storm.

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