End of Kepler space telescope
End of Kepler space telescope

I have some extremely unfortunate

news for y’all today. It appears the Kepler Space Telescope as experienced a career-ending malfunction.

Kepler has been in the news a lot recently in an

extremely positive way. By in large the Kepler mission is one of NASA’s most successful. The probe, affectionately known as the planet hunter,

has catalogued nearly 3000 planetary candidates in its search for Earth-like worlds. Now, it seems like Kepler has come to the end of its useful life.

What’s the problem? Kepler seems to have lost the second of its four reactionary wheels. Kepler needs at least three reaction wheels to allow it to obtain

that steady stare required for deep space observations. Now that Kepler is down to only two of these wheels, it would be unable to hold that steady gaze. NASA

engineers are still trouble shooting the problem, but most of the solutions available to them are “turn it off and turn it back on” type solutions. At the

press conference that happened moments ago, the engineers didn’t seem too hopeful and painted a bleak future for the orbiting treasure.

Kepler is

currently trailing the Earth and is in orbit around the Sun, at the moment, the telescope is near the opposite side of our local star. Even if we had access to

the Space Shuttle (or a Space Shuttle-like craft), we would be unable to reach the telescope to perform repairs for several months; even then, Kepler isn’t

designed to be serviced in orbit, so it’s uncertain whether such a repair mission is possible.

Kepler’s mission started in 2009 and was originally

scheduled to last 3.5 years – which it completed last year. We’ve been on borrowed time on the telescope; it appears the well designed scope has finally broken

down. Even then, Kepler still has a plethora of data scientists need to sort through – so it’s scientific contributions are far from over. In addition,

scientists could find another use for the telescope that doesn’t require the prolonged stare required for long-term observations. Then again, scientists might

yet fix Kepler and bring the reactionary wheel back online – but that seems unlikely.

I hate to give up hope, but I think it’s time to pay homage to

Kepler and the momentous contribution it has made in the way of exoplanets research.

FQTQ further


The Kepler Space Telescope:

The Transit Method: Finding Other Worlds:

A Closer Look at

Kepler’s New Candidates for Habitability

Kepler Findings Released:

Kepler’s Newest

Planetary Candidates:

Kepler Announcement: 1 in 6 Stars Host Earth-Like



Sources and further reading:

Thoughts on the (possible) death of Kepler:


Malfunction could mark the end of NASA’s Kepler Mission


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Donovan Crow
Donovan Crow
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