Interstellar Space

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Tag: Bad Astronomy

Tag: Interstellar Space

Where does the interstellar comet 2I/Borisov come from?

Phil Plait

6

Ross 573 (arrowed), a red dwarf star, may be the home for the second known interstellar visitor to our solar system, the comet 2I/Borisov. Credit: SIMBAD/Aladin/DSS

Tag: Bad Astronomy

Tag: Interstellar Space

Tag: Bad Astronomy

Update: The interstellar comet 2I/Borisov is still not acting very alien

Phil Plait

Nov 5, 2019

The interstellar comet 2I/Borisov, an alien visitor from another star. The pointy ears are a dead giveaway. NASA, ESA, and D. Jewitt (University of California, Los Angeles)

Tag: Bad Astronomy

Tag: Bad Astronomy

Hubble observes an alien visitor: the comet 2I/Borisov

Phil Plait

Oct 17, 2019

1

Hubble Space Telescope image of the comet 2I/Borisov (formerly C/2019 Q4 (Borisov)). The blue color was added to a grayscale image. Credit: NASA, ESA, and D. Jewitt (University of California, Los Angeles)

Tag: Bad Astronomy

Tag: Bad Astronomy

Updates on an alien visitor: The interstellar comet 2I/Borisov

Phil Plait

Sep 30, 2019

1

The interstellar comet 2I/Borisov imaged by the massive Gemini telescope on 9-10 September 2019. The telescope tracked the comet and took several images in red and blue filters, so the stars appear as a trail of multi-colored dots.

Tag: Bad Astronomy

Tag: Bad Astronomy

Wait. *ANOTHER* interstellar object is passing through the solar system?

Phil Plait

Sep 13, 2019

14

‘Oumuamua, the first object ever seen passing through our solar system from interstellar space, is shown in this artwork to be faintly outgassing as the Sun warms its ice. Credit: ESA/Hubble, NASA, ESO, M. Kornmesser

Tag: Bad Astronomy

Tag: Bad Astronomy

No, 'Oumuamua is not an alien spaceship. It might be even weirder.

Phil Plait

Feb 18, 2019

47

Artwork depicting what ‘Oumuamua might look like; observations indicate it’s highly elongated. But where did it come from? Credit: ESO / M. Kornmesser

Tag: Bad Astronomy

Tag: Bad Astronomy

So, about that 'interstellar asteroid' announced yesterday…

Phil Plait

May 22, 2018

15

Eros, a lumpy potato of an asteroid, is pretty typical of such solar system objects. Credit: NASA

Tag: Bad Astronomy

Tag: Bad Astronomy

Did our first known interstellar visitor come from a dead star?

Phil Plait

Jan 4, 2018

8

Artwork depicting what ‘Oumuamua might look like; observations indicate it’s highly elongated. But where did it come from? Credit: ESO / M. Kornmesser

Tag: Bad Astronomy

Tag: Bad Astronomy

So long, rock from an alien solar system. I mean that literally: So. Long.

Phil Plait

Nov 21, 2017

15

‘Oumuamua, an asteroid from another solar system, is quite elongated and look very much like this artist’s impression of it. Credit: ESO/M. Kornmesser

Tag: Bad Astronomy

Tag: Bad Astronomy

An interstellar rock gets a name

Phil Plait

Nov 8, 2017

1

When it was still called A/2017 U1, the object was spotted by the William Herschel Telescope on the island of La Palma. The telescope guided on the motion of the object, so stars appear to trail.

Tag: Bad Astronomy

Tag: Bad Astronomy

BREAKING! Have astronomers discovered our first interstellar visitor? NOTE: Not aliens

Phil Plait

Oct 27, 2017

20

The interstellar asteroid A/2017 U1, images using a 40 cm telescope when the object was about 60 million km from Earth and at a magnitude of 22 (that’s very faint). Credit: Gianluca Masi (Virtual Telescope Project) and Michael Schwartz (Tengra Observatory

Tag: Bad Astronomy

Far out: NASA's Voyager 1 craft has officially reached interstellar space

Trent Moore

Jul 8, 2014

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