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EUROPE PLANS FOR AN ICY ENCOUNTER

Interviewed by Lee Cavendish

How have the moons that JUICE will be visiting - Ganymede, Callisto and Europa - sustained a subsurface ocean despite being so far away from the Sun? Why haven’t they frozen over?

They are called ‘icy moons’ because they are made of frozen ice. But there is a mechanism inside the moons which generates heat, and then the ice can melt and become liquid. The question is, how is the heat generated inside?

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All About Space
Issue 106
VER NA LOJA

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In This Issue
Welcome
We’ve got plenty to keep you entertained this month -
FEATURES
LAUNCH PAD
Another Hubble Space Telescope gem was captured recently when it
Newborn star’s X-rays shine light on Solar System’s early days
In a new study, astronomers report the first detection of
Teach the Curiosity rover how to drive on Mars
A new online tool called AI4Mars, hosted on Zooniverse, allows
Neptune’s weird moon Triton to get visit from NASA spacecraft
A possible new mission called Trident aims to explore Neptune’s
The Milky Way could be harbouring many intelligent alien civilisations
According to a new study, there could be more than
Mysterious ‘fast radio bursts’ found firing rhythmically through cosmos
Mysterious pulses of radio waves from deep space can fire
Titan’s odd patches are dry lake beds
Strange bright patches observed in the southern tropical regions of
WHEN SPACE IS THROWN UPWARDS ANTIGRAVITY
Straddling the Franco-Swiss border near Geneva lies the European Organization
WHAT ARE THE ODDS OF FINDING INTELLIGENT ALIEN LIFE?
What is the likelihood that intelligent life could arise on
EXPLORING SPACE USING VIRTUAL REALITY
Virtual reality (VR) is bringing space closer to armchair astronauts
Hope Mars Mission
The United Arab Emirates Space Agency (UAESA) was established in
10 STARS DUE TO GO SUPERNOVA
Since ancient times supernovae - the explosive deaths of stars
PROJECT RAMA
Every year NASA selects a range of speculative projects through
THE HUNT FOR WHITE HOLES
The cosmos is full of odd and extreme phenomena. Take
ASK Space
The massive hole in the middle is caused by a
DAYTIME ASTRONOMY
When most people think of astronomy they picture someone standing
STARGAZER
What’s in the sky?
A conjunction is an alignment of objects at the same
This month’s planets
Between mid-July and mid-August many summer sky-watchers will be able
The Perseid last quarter Moon
Every year amateur astronomers and sky-watchers look forward to the
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This triangle-shaped spray of almost 30 stars is a very
Treasures of the Great Square of Pegasus
Easily visible to the naked eye late on Moon-free summer
The Northern Hemisphere
Heading into the warm month of August, there’s an impressive
Omegon MightyMak 90
If you’re looking for a telescope that’s easy to carry
Sir Joseph Norman Lockyer
Joseph Lockyer was an amateur astronomer with a genuine passion
Conversa
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