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Jupiter Weather Report: 2014/15 Apparition

Leigh Fletcher • November 05, 2015

A summary of Jupiter's changing face as seen from Earth during its 2014/2015 apparition.

A moon with atmosphere

Emily Lakdawalla • April 08, 2015 • 10

What is the solar system moon with the densest atmosphere? Most space fans know that the answer is Titan. A few of you might know that Triton's is the next densest. But what's the third? Fourth? Do any other moons even have atmospheres? In fact, they do; and one such atmosphere has just been discovered.

An internal ocean on Ganymede: Hooray for consistency with previous results!

Emily Lakdawalla • March 12, 2015 • 8

A newly published paper confirms a subsurface ocean at Ganymede. An ocean there was already suspected from its magnetic field and predicted by geophysics; new Hubble data confirms it, and even says it is in the same place we thought it was before. Such consistency is rare enough in planetary science to be worth celebration.

Some Recent Views of Mars from Hubble

Ted Stryk • November 26, 2014

Ted Stryk showcases some of his processed versions of recent Hubble Space Telescope views of Mars.

Mars Orbiter Mission delivers on promise of global views of Mars

Emily Lakdawalla • September 29, 2014 • 18

Ever since I first learned about the capabilities of Mars Orbiter Mission's small payload of science instruments, I have been anticipating one type of data in particular: global color views of Mars captured in a single 2000-pixel-square frame. Just days after entering orbit, Mars Orbiter Mission has delivered on that promise.

Hubble to the rescue! The last-ditch effort to discover a Kuiper belt target for New Horizons

Emily Lakdawalla • June 17, 2014 • 5

Will New Horizons have a mission after Pluto? Ground-based searches have failed to turn up anything that New Horizons can reach. Now Hubble is joining the search, but time is running out: a discovery must be made within the next two months.

Intro Astronomy 2014. Class 13: Galaxies, the Universe, Life

Bruce Betts • May 08, 2014 • 1

Discover the Universe including the Big Bang, dark matter, dark energy, galaxies, life and more in this video of class 13 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Intro Astronomy 2014. Class 12: The Sun and Stars

Bruce Betts • May 01, 2014

Explore the physical characteristics and inner workings of the Sun and then learn all about Stars and Stellar Evolution in this video of class 12 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Intro Astronomy 2014. Class 11: Exoplanets and Solar System Origin and Formation

Bruce Betts • April 25, 2014

Learn about the formation and origin of the Solar System and go beyond our neighborhood to investigate exoplanets (planets around other stars) in this video of class 11 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

Comet Siding Spring Mars encounter: Cosmic bully spotted by ESA and NASA

ESA Mars Express Team • March 31, 2014

Hubble has taken some great new images of our 'friend,' Comet Siding Spring, due to pass by Mars at less than 136,000 km on October 19 – less than half the distance between Earth and our moon.

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