Telescopes Archives - Universe Today

July 27, 2020July 27, 2020

Take a Flight Through the Most Detailed 3D Map of the Universe Ever Made

Once I accidentally took a photo of one of the most important stars in the Universe…

Andromeda Galaxy imaged at the SFU Trotter Observatory processed by Matthew Cimone

That star highlighted in the photo is called M31_V1 and resides in the Andromeda Galaxy. The Andromeda – AKA M31- is the closest galaxy to our own Milky Way. But before it was known as a galaxy, it was called the Andromeda Nebula. Before this particular star in Andromeda was studied by Edwin Hubble, namesake of the Hubble Space Telescope, we didn’t actually know if other galaxies even existed. Think about that! As recently as a hundred years ago, we thought the Milky Way might be the ENTIRE Universe. Even then…that’s pretty big. The Milky Way is on the order of 150,000 light years across. A light year is about 10 TRILLION kilometers so even at the speed of light it would take nearly the same length of time to cross the Milky Way as humans have existed on planet Earth. M31_V1 changed all that.

July 8, 2020July 8, 2020

What Telescope Will Be Needed to See the First Stars in the Universe? The Ultimately Large Telescope

The oldest stars in the Universe are cloaked in darkness. Their redshift is so high, we can only wonder about them. The James Webb Space Telescope will be our most effective telescope for observing the very early Universe, and should observe out to z = 15. But even it has limitations.

To observe the Universe’s very first stars, we need a bigger telescope. The Ultimately Large Telescope.

June 15, 2020June 15, 2020

Well. It Looks Like James Webb is Getting Delayed Again, but it Should Still Launch in 2021

This is probably one of the least surprising announcements to come out of the coronavirus pandemic.

During a virtual meeting of the National Academies’ Space Studies Board, NASA’s associate administrator for science, Thomas Zurbuchen, made an announcement. He said there’s no way the James Webb Space Telescope (JWST) will meet its target launch date of March 2021.

Already on a tight timeline, work on the telescope has slowed during the pandemic.

May 12, 2020May 12, 2020

NASA is Going to Try Manufacturing a Telescope Mirror in Space

One of the JWST's gold-coated mirrors. Not even launched yet, and the golden mirrors are already iconic. Image Credit: NASA/Drew Noel

Space telescopes are a pretty amazing thing. By deploying an observatory to orbit, astronomers are able to take pictures of the Universe unencumbered by atmospheric disturbance. At the same time, they are very expensive to build, maintain, and launch into space. As the case of Hubble’s flawed mirror demonstrated, a space telescope also has to go through rigorous checks because of how difficult it becomes to service them after launch.

To address this, NASA is investigating the possibility of constructing future space telescopes in space. A key aspect of this involves a manufacturing technique known as Atomic Layer Deposition (ALD), a process where layers of material no thicker than an atom is deposited on a surface and then hardened in place. Now, a team of NASA-supported researchers has been given the chance to test ALD in a microgravity environment (i.e. space!)

March 5, 2020March 5, 2020

Japan Suspends its Funding for the 30-Meter Telescope

Japan has suspended its funding contribution to the controversial Thirty Meter Telescope (TMT) in Hawaii. An international consortium is behind the TMT, which was proposed for the summit of Mauna Kea. Mauna Kea is one of the most desirable observing locations on Earth. It’s already host to several observatories, including the Subaru Telescope and the Keck Observatory. The $1.4 billion TMT would be the most powerful telescope there.

January 30, 2020January 30, 2020

This is the Highest Resolution Image Ever Taken of the Surface of the Sun

The Sun’s activity, known as “space weather”, has a significant effect on Earth and the other planets of the Solar System. Periodic eruptions, also known as solar flares, release considerable amounts of electromagnetic radiation, which can interfere with everything from satellites and air travel to electrical grids. For this reason, astrophysicists are trying to get a better look at the Sun so they can predict its weather patterns.

This is the purpose behind the NSF’s 4-meter (13-ft) Daniel K. Inouye Solar Telescope (DKIST) – formerly known as the Advanced Technology Solar Telescope – which is located at the Haleakala Observatory on the island of Maui, Hawaii. Recently, this facility released its first images of the Sun’s surface, which reveal an unprecedented level of detail and offer a preview of what this telescope will reveal in the coming years.

January 30, 2020January 30, 2020

It Looks Like James Webb’s Launch Date is Going to Slip to July 2021

Put “James Webb Telescope launch” into your search engine and you’ll be flooded with links, some reaching back to the ‘scope’s first proposed launch date in 2010. The delayed launch of the space telescope is a running theme in the space community, even though we all know it’s going to be worth the wait. So nobody will be surprised by this latest development in the story of the world’s most anticipated telescope.

December 11, 2019December 11, 2019

Wow, Meade Instruments Just Filed for Bankruptcy Protection

Meade Instruments, a company familiar to any backyard astronomer who’s drooled over their telescopes, has filed for bankruptcy. The company has fallen on hard times in recent years, as they’ve faced increasing competition. Meade also recently lost a lawsuit, which pushed them over the edge into bankruptcy.

The company is based in Irvine, California, and was founded in 1972. They started out selling small refracting telescopes. They expanded into Newtonian reflectors and Schmidt-Cassegrain telescopes over the years. Now, they sell telescope models worth upwards of $10,000.