The Hubble Space Telescope has given us a beautiful image of the barred spiral galaxy NGC 7773. This is a classic galaxy of this type, and highlights the bright bar of concentrated stars that anchors the galaxy’s stately spiral arms. It was captured with the Hubble’s workhorse Wide Field Camera 3 (WFC3.)Continue reading “Perfect Example of a Barred Spiral Galaxy, Seen Face On. This is What Our Milky Way Might Look Like”
Once it is deployed to space, the James Webb Space Telescope (JWST) will be the most sophisticated and advanced space telescope in operation. Carrying on in the tradition of Hubble, Kepler, and Spitzer, the JWST will use its advanced suite of infrared imaging capabilities to study distant exoplanets, learn more about the Solar System, and study the earliest galaxies in the Universe.
After numerous delays, NASA announced last summer that the much-anticipated JWST would be ready to launch by 2021. And in what is admittedly a very nice change of pace, NASA recently indicated that this is still a go! According to their latest update, the JWST has just completed its final vacuum test and is on track for launch in March of 2021.Continue reading “Phew! James Webb passes its final thermal vacuum test. Still on track for 2021”
Great question! The answer has to do with Hubble’s history.
It’s easy to forget that the Hubble has been in space since 1990. That’s going on 30 years now. And during that time, it’s been serviced and had its cameras upgraded.Continue reading “Why do Some Hubble Images Have That Chunk Taken Out of the Corner?”
Even after almost three decades of faithful service, the Hubble Space Telescope continues to operate and provide breathtaking images of the cosmos. As one of NASA’s Great Observatories, its observations of distant galaxies, exoplanets, and the expansion of the Universe have had a revolutionary impact on astronomy, astrophysics and cosmology.
Hubble’s latest contribution comes in the form of a deep-sky mosaic image that was constructed using 16 years’ worth of observations. Known as the “Hubble Legacy Field“, this mosaic is being described as the largest and most comprehensive “history book” of galaxies. All told, it contains roughly 265,000 galaxies that date back to just 500 million years after the Big Bang.Continue reading “16 Years of Hubble Images Come Together in this one Picture Containing 265,000 Galaxies”
What happens when two galaxies collide? The Milky Way and the Andromeda Galaxy are on a collision course, and in about 4.5 billion years, they will meet. Now astronomers using the Hubble have provided some visual insight into what that collision might look like.Continue reading “This is What It’ll Look Like When the Milky Way and Andromeda Galaxies Collide Billions of Years from Now”
Like Earth, Uranus and Neptune have season and experience changes in weather patterns as a result. But unlike Earth, the seasons on these planets last for years rather than months, and weather patterns occur on a scale that is unimaginable by Earth standards. A good example is the storms that have been observed in Neptune and Uranus’ atmosphere, which include Neptune’s famous Great Dark Spot.
During its yearly routine of monitoring Uranus and Neptune, NASA’s Hubble Space Telescope (HST) recently provided updated observations of both planets’ weather patterns. In addition to spotting a new and mysterious storm on Neptune, Hubble provided a fresh look at a long-lived storm around Uranus’ north pole. These observations are part of Hubble‘s long-term mission to improve our understanding of the outer planets.Continue reading “Hubble Shows off the Atmospheres of Uranus and Neptune”
It allowed us to spot auroras on Saturn and planets orbiting distant suns. It permitted astronomers to see galaxies in the early stages of formation, and look back to some of the earliest periods in the Universe. It also measured the distances to Cepheid variable stars more accurately than ever before, which helped astrophysicists constrain how fast the Universe is expanding (the Hubble Constant).
It did all of this and more, which is why no space telescope is as recognized and revered as the Hubble Space Telescope. And while it’s mission is currently scheduled to end in 2021, Hubble is still breaking new ground. Thanks to the efforts of a research team from the Instituto de Astrofísica de Canarias (IAC), Hubble recently obtained the deepest images of the Universe ever taken from space.Continue reading “Astronomers Process Hubble’s Deepest Image to get Even More Data, and Show that Some Galaxies are Twice as big as Previously Believed”
On January 8th, an important piece of equipment on the Hubble Space Telescope went down. The Wide Field Camera 3 (WFC3) suspended its operations because of a hardware. The Hubble team is investigating the anomaly, and during this time the space telescope’s other instruments are working normally and continuing their science operations.
The WFC3 was installed on the Hubble in 2009. It replaced the Wide Field and Planetary Camera 2 (WFPC2). The WFC3 is the most technologically advanced instrument on the Hubble, and it has captured some of the most stunning and famous images ever captured.Continue reading “Uh oh, Hubble’s Wide Field Camera 3 is Down”
New research from the Hubble Space Telescope and the ESO’s Very Large Telescope is dampening some of the enthusiasm in the search for life. Observations by both ‘scopes suggest that the raw materials necessary for life may be rare in solar systems centered around red dwarfs.
And if the raw materials aren’t there, it may mean that many of the exoplanets we’ve found in the habitable zones of other stars just aren’t habitable after-all.Continue reading “Bad News. Planets Orbiting Red Dwarfs Might not have the Raw Materials for Life”
To the unaided eye, the Triangulum Galaxy is just a smudge in the night sky. But it’s a smudge that contains about 40 billion stars. It also contains some very active star-forming regions, which have attracted the eyes of astronomers.
The Triangulum has a couple other names: Messier 33 and NGC 598. But Triangulum is the easier name to remember. (It’s also sometimes called the “Pinwheel Galaxy.”) But whatever name you choose to call it, this Hubble image brings it to life.Continue reading “Check out this Amazing Picture of the Triangulum Galaxy by Hubble.”